Another Key Test for S&P 500 ETF After Four-Day Slide

Investors are waiting to see if U.S. stock exchange traded funds can hold around their short-term trend lines ahead of any tapering signals in Fed minutes this week. The iShares Russell 2000 Index (NYSEArca: IWM) was 1.5% higher Tuesday while the SPDR S&P 500 (NYSEArca: SPY) gained 0.8%. IWM...