S&P 500 falls 1.6% for the week, dipping below its 50-day moving average amid ongoing market volatility.

SPDR's cheaper SPYM ETF offers identical S&P 500 exposure at one-fifth the fees of the popular SPY fund.

SPDR offers two ETFs tracking the S&P 500: the well-known SPY and the lesser-known SPYM. While both hold the same stocks in the same proportions and pay similar dividends, SPYM charges only 0.02% in fees compared to SPY's 0.0945%. This makes SPYM a c...