Exchange-Traded Funds (ETFs) emerged in the early 1990s, starting with index-tracking products like SPDR S&P 500. Over time, they evolved to include sectors, bonds, commodities, and international markets. Innovations such as smart beta and actively managed ETFs expanded their appeal. Today, ETFs offer liquidity, diversification, and low costs, becoming essential tools for both retail ... https://businesssuccesselites.com/finance/evolution-of-exchange-traded-funds-etf/