index-funds

What is the FIRE movement? Financial Independence Retire Early explained — 4% rule, savings rates, leanFIRE vs fatFIRE, math, and criticisms.

Index funds vs active funds: S&P SPIVA data on 20-year results, fee gaps, the Sharpe arithmetic, and where active management can still make sense.

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.