Why Biotech, Copper And Euro ETFs Should Be Key This Week By: Benzinga via Benzinga March 22, 2015 at 17:38 PM EDT The Federal Reserve helped buoy stock prices last week and the SPDR S&P 500 ETF (NYSE: SPY) is within close proximity of ... Read More >> Related Stocks: Nasdaq Biotechnology Ishares ETF SPDR S&P 500 ETF Trust