Market mechanics, explained like you are smart but new
A mutual fund and an exchange-traded fund can hold the identical portfolio and still behave like different products, because the difference is not what they own but how you buy them, how they are priced, and how they hand you a tax bill. The wrapper decides the trading day, the fee drag and the capital gains distribution. The strategy inside decides almost everything else.
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Short selling flips the usual order of investing: sell first, buy later. This explainer walks through how borrowing shares actually works, the arithmetic of a trade that wins and one that goes wrong, and what GameStop in 2021 and Volkswagen in 2008 show about what happens when too many sellers need the same exit at once.
Read analysis →The price-to-earnings ratio is finance's favorite shorthand — one number that claims to tell you whether a stock is cheap or expensive. But there are three different P/Es, and each tells a different story. Here's how to read the trailing, forward, and Shiller versions, what the earnings yield says about stocks versus bonds, and where the ratio quietly breaks down.
Read analysis →Market cap values the equity; enterprise value prices the whole business — debt minus cash. Learn the formulas, when each matters, and the traps to avoid.
Read analysis →Why do stocks fall when bond yields rise? The three channels — discount rates, capital competition, borrowing costs — and when rising yields are healthy.
Read analysis →How is the S&P 500 calculated? A guide to index math — free-float weights, the divisor, and why the top 10 stocks now drive nearly 40% of the stock index.
Read analysis →Most commodity prices you see quoted are futures, not spot. Learn how futures work, what contango and backwardation signal, and why oil once traded below zero.
Read analysis →Currency markets turn over $9.6 trillion daily. Here are the four forces that move exchange rates: interest rates, capital flows, risk appetite and credibility.
Read analysis →Each candlestick packs open, high, low and close into one shape. Learn five essential patterns — doji, hammer, engulfing — and what they cannot tell you.
Read analysis →Inflation drives interest rates and asset prices. Learn how CPI and PCE are measured, where inflation comes from, and why one monthly print moves markets.
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