How S&P 500, Stock ETFs May Play Out After the Plunge

The equities market has experienced a precipitous sell off, but stock exchange traded funds typically eked out a positive return in the following week, albeit at a slow pace. The SPDR S&P 500 ETF (NYSEArca: SPY) was up 1.5% Tuesday but fell off 8% over the past week, with the S&P 500 index...