stocks

Stocks move after earnings because expectations matter more than headlines. Revenue, margins, guidance, cash flow, and narrative all interact.

How short selling actually works: borrowing shares, unlimited losses, short squeezes, and the role of short sellers as fraud detectives.

Asset allocation is how you split a portfolio across stocks, bonds, and cash. See what research shows, the main model portfolios, and how to rebalance.

Value vs growth investing compared: definitions, the Fama-French value premium, why value lagged before 2021, 2022's reversal, value traps, and style tilts.

Dollar-cost averaging (DCA) explained: how it works, when it beats lump-sum investing, the Vanguard research, and the behavioral reasons it still wins.

Stocks vs bonds explained — risk, return, diversification, index funds, and what a century of market data say about long-term investing.

Learn how stocks, exchanges, IPOs, valuation, and market indices work — from bid-ask spreads to the efficient market hypothesis.