Stock Trading Strategy & Education
Stock trading and investing requires years of learning strategies and tactics that enable you to protect your portfolio while seeking to grow it. Get started here.
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Mid-Caps Used to Outperform Large-Caps. What Changed?
![Healthcare investment](https://www.investopedia.com/thmb/5hyESUK5trCNZiN0zzrkebsn3Zg=/2000x1333/filters:no_upscale():max_bytes(150000):strip_icc()/gettyimages-672202115-2000-298f55b676fd47f4beca61e27d613957.jpg)
Top Mid-Cap Healthcare Companies
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Top Mid-Cap Tech Companies
![Customer holding document and smiling while bank teller serving.](https://www.investopedia.com/thmb/0FnxbNOTkEJDPlwghlXFw0iuP28=/2119x1414/filters:no_upscale():max_bytes(150000):strip_icc()/CreditUnion-366fad5d347c49fd932c5455cc76d8a7.jpeg)
Top Mid-Cap Financials
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Top Mid-Cap Industrials
![Sustainable and responsible investing can yield competitive results.](https://www.investopedia.com/thmb/1n9juaNyO-ELeD-lXCoABXS7i8U=/700x550/filters:no_upscale():max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2012__03__moneygreen-ec81c7f1852a44cc8fa00f6ecb69950d.jpg)
Mid-Cap ESG Investing
![ETF exchange trades funds word on a blurred business newspaper.](https://www.investopedia.com/thmb/OQefMYH4TZg4FIkiijkTb9CaV5I=/2024x1480/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1131665893-c16e7c46939b4aa19648e911650e6eaf.jpg)
A Dive Into the Largest Mid-Cap ETFs
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Mid-Cap Investing Strategies
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How Do Mid-Caps Perform During Bull Markets?
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Investing in Mid-Cap Companies: Advantages and Disadvantages
![Bear market](https://www.investopedia.com/thmb/iCVWql8tr0gUka_5Y8fOB7OfITE=/680x440/filters:no_upscale():max_bytes(150000):strip_icc()/bear_market_adobestock_1885515-5bfc2eb746e0fb00517c7ea7.jpeg)
How Do Mid-Caps Perform During Bear Markets?
![The Best Online Stock Trading Classes of 2024](https://www.investopedia.com/thmb/q7Y3Ue6VyjyV9U0-BkADeD-pln8=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/best-online-stock-trading-classes-5089249-final-5f670112acf14b0bad8dd17476aff54c.png)
Best Online Stock Trading Classes
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What Exactly Is a Company's Float?
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Shares vs. Stocks: What's the Difference?
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What Is Stock Trading?
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6 Ways to Invest in Foreign Stocks
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How is CAPM represented in the SML?
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How to Use Price-To-Sales Ratios to Value Stocks
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Unpaid Dividend: What it is, How it Works, Example
![Shareholder](https://www.investopedia.com/thmb/fA0zHH-GhcTdRVllsJ7SP9-kUrE=/1200x800/filters:no_upscale():max_bytes(150000):strip_icc()/shareholder-4fd93eb326fe4c09af5a0a62be8cf851.jpg)
Full Ratchet Anti-Dilution: Definition, Example, and Alternative
![Traders work on the floor of the New York Stock Exchange (NYSE).](https://www.investopedia.com/thmb/rEhuv57cdZ0IB4zz-PexUh86cus=/6000x4000/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-2126121315-821fd7a8945941ebbac614f7271239be.jpg)
Stock Splits: How They Work and Why They Happen
![Investor Analyzing Stock Market Investments With Financial Dashboard, Business Intelligence (BI), and Key Performance Indicators (KPI) on Smartphone and Computer Screens](https://www.investopedia.com/thmb/Tu_GDoQ_EzbwkgGDIgDFS9x9v9U=/1500x1000/filters:no_upscale():max_bytes(150000):strip_icc()/investor-analyzing-stock-market-investments-with-financial-dashboard--business-intelligence--bi---and-key-performance-indicators--kpi--on-smartphone-and-computer-screens-956752490-53d6bee627f04a2db3f7562877432d49-5d221000e02f4216a71962492b477757.jpg)
How Do Interest Rates Affect the Stock Market?
![A trader works at a desk on the floor of the New York Stock Exchange, sitting with his back to the camera beneath an American flag.](https://www.investopedia.com/thmb/nzrxlCtrLSAFVreMvxoy_tLmD3k=/3556x2371/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1018268104-3b7b4e160dd14c62a4575321e8a3831c.jpg)
Market Capitalization: What It Is, Formula for Calculating It
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Is It Worth It to Cash in Old Stock Certificates?
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What Is Dilution in Trading? Definition and Examples
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What Is Insider Trading and When Is It Legal?
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What Is a Large Cap (Big Cap) Stock? Definition and How to Invest
![Over the Counter](https://www.investopedia.com/thmb/2ife7k2aqnnA3iKTzyRCmCUOGGY=/1500x1000/filters:no_upscale():max_bytes(150000):strip_icc()/otc-ff2e9e69c97649c6938ecf5f0acb1f2f.png)
Over-the-Counter (OTC) Markets: Trading and Securities
![Preferred Stock](https://www.investopedia.com/thmb/f7dP1id3Dx6RcYV-gRyfaeA2s10=/1500x1000/filters:no_upscale():max_bytes(150000):strip_icc()/Preferred-Stock-Final-0b2696b31b744e33b21c40ac913daf0f.jpg)
Preferred Stock: What it Is, How it Works
![Short Interest](https://www.investopedia.com/thmb/eKSwKAtmTAFLnTXCVzM9un80d6k=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/Shortinterest_final-4b68a5c3b465499dbdd35cc10f919317.png)
What Is Short Interest, and Why Does It Matter to Traders?
![Small-Cap Stock: A company with a market capitalization of between $300 million and $2 billion.](https://www.investopedia.com/thmb/mwAybXaj5tSvkGXiNsZBUaKVX2U=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/small-cap.asp-final-0a045eb959ce48a7858791807e6df7ab.png)
What Are Small-Cap Stocks, and Are They a Good Investment?
![Stock Split](https://www.investopedia.com/thmb/o0HpqIdDTuQA9xXDlc3xeu_rJcE=/1500x1000/filters:no_upscale():max_bytes(150000):strip_icc()/Stock_Split-8d5689ee251843ce9d2dc5999491079b.jpg)
What a Stock Split Is and How It Works, With an Example
![Tender Offer: An offer to purchase some or all of shareholders' shares in a corporation.](https://www.investopedia.com/thmb/CdC-IWhWmxpBHnXV9xqx7eNLmNo=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/tenderoffer.asp-Final-876bd37ec4774298830d3f495baefbbd.png)
Tender Offer Definition: How It Works, With Example
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How to Use Market Capitalization to Evaluate a Stock
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EBITDA Margin vs. Profit Margin: What's the Difference?
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What Is Insider Trading, and Is It Always Illegal?
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After-Hours Trading: How It Works, Advantages, Risks, and Example
![Dutch Auction: An auction where an auctioneer starts with a very high price then incrementally lowers it until someone places a bid.](https://www.investopedia.com/thmb/SKaMFP59kVoFaSp-nMcmdukxGhY=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/terms_d_dutchauction_FINAL-e6fa69bc111d4c658b2e39b913f66ec4.jpg)
Dutch Auction: Understanding How It’s Used in Public Offerings
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Special Purpose Acquisition Company (SPAC) Explained: Examples and Risks
![A stock trader watches the board at the New York Stock Exchange waiting for a halted stock to begin trading again.](https://www.investopedia.com/thmb/kbqxtwiqefhICKT_WjOypY6uyz0=/5760x3840/filters:no_upscale():max_bytes(150000):strip_icc()/TradingHalt-2b3e81038e644e04a91ad38499507f5b.jpg)
What Is a Trading Halt? Definition, How It Works, and Causes
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How Does a Change in CEO Impact Stock Price?
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Multiple Share Classes and Super-Voting Shares
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How to Research Volatile Stocks
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Forces That Move Stock Prices
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I Want to Start Buying Stocks—But Where Do I Start?
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Volume vs. Open Interest: What's the Difference?
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Class A Shares vs. Class B Shares: What's the Difference?
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Shares Outstanding vs. Floating Stock: What's the Difference?
![Fully Diluted Shares: The total number of shares that will be outstanding and available to trade after all possible sources of conversion are exercised.](https://www.investopedia.com/thmb/xsiJ45xzywA2ZD8P5SRPeQo0O7U=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/Fullydilutedshares_final-17d11bef0894485bb4bafe4dcdb0d261.png)
Definition of Fully Diluted Shares and How You Calculate Dilution
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What Is Naked Short Selling, How Does It Work, and Is It Legal?
![Open Interest](https://www.investopedia.com/thmb/cGOzykTtJZAnwxNLFI11ij4L5Cg=/1500x1000/filters:no_upscale():max_bytes(150000):strip_icc()/openinterest-b1fe18371ca048d8aa07c19a1959064e.jpg)
Open Interest: Definition, How It Works, and Example
![Order Book: An electronic list of buy and sell orders for a security or other instrument organized by price level.](https://www.investopedia.com/thmb/C-sKpm1Ygi523KtfQqxgr6Oj-h4=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/order-book.asp-FINAL-c9f39afa60be4ab1bdf674787be2d4b5.png)
What Is an Order Book? Definition, How It Works, and Key Parts
![Securities Lending: Loaning shares of stock, commodities, derivative contracts, or other securities to other investors or firms.](https://www.investopedia.com/thmb/MB60JRGZfr5y5zNmNzMc-1hH_cA=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/securitieslending.asp-final-fef00de79d274df48601ebc73a829c8d.png)
Securities Lending
![A closeup view of a statement shows the varying performance of class A, B, and C shares of a mutual fund.](https://www.investopedia.com/thmb/uSArMsR0YocCDfN1MwnUn8_8iO8=/5472x3648/filters:no_upscale():max_bytes(150000):strip_icc()/ShareClassDefinitionHowRightsWorkFeaturesandExampleGettyImages-1371617367-568fe41b04f04caba76f266e3517e988.jpg)
Share Class: Definition, How Rights Work, Features, and Example
![Share Repurchase](https://www.investopedia.com/thmb/W4aebRSVJLTnI-6UZtEB6oCHRHw=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/sharerepurchase.asp-final-9d76deba49914257b120ef96a646e3e1.png)
Share Repurchase: Why Do Companies Do Share Buybacks?
![Short Position: Betting that a security will decrease in value.](https://www.investopedia.com/thmb/Bz15oFUlQoi-JKcry8RNlK-jXk8=/4000x2700/filters:no_upscale():max_bytes(150000):strip_icc()/short.asp-finalv2-8fca874f91704f4db4fc393ee25c9fb7.png)
Short Position: Meaning, Overview, and Example
![A trader sits in front of a screen showing a dramatic rise in a stock price and holds their head in frustration after receiving a margin call from their broker.](https://www.investopedia.com/thmb/yNjZUfUjXFApMtZI_riovbVCpzw=/7952x5304/filters:no_upscale():max_bytes(150000):strip_icc()/ShortSaleDefinitionExampleRisksandMarginRequirementsGettyImages-1804788188-45b3714f947e4b819d0d6176ead8257c.jpg)
Short Sale: Definition, Example, Risks, and Margin Requirements
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Stock Swap: Definition, How It Works, Example, and Taxation
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What Is an Offset? Definition, Example, and How It's Used
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If Everyone Is Selling, Does Your Broker Have To Buy Your Shares From You?
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Lot: What It Means in Stock and Bond Trading, Types, and Examples
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Strategies for Quarterly Earnings Season
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Momentum Indicates Stock Price Strength
![Hand of a Stockbroker Buying and Selling Shares Online](https://www.investopedia.com/thmb/O9JxkZ6mlwq8umo7tZIXc_rTFhQ=/1500x1082/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-932632502-d3c8d3de9b8f45c98718004d0da75eaa.jpg)
When to Buy a Stock and When to Sell a Stock: 5 Tips
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What Is OTCQX? Definition, Criteria for Stocks, and Other Tiers