The S&P 500 is on track to end the month nominally in the black, but investors who avoided the day have been rewarded with better returns and lower volatility. U.S. large caps, as measured by the SPDR S&P 500 ETF Trust (SPY), climbed 1.1% between May 1 and May 30. The night session contributed 2.4% of performance [...] The post How Investing in the Night Enhanced May Returns appeared first on ETF Trends .