The power of the night effect was seen in large caps on Thursday for the second time this week. As the S&P 500 is on track to shed over 3% this week, all losses have come from the day session, with the overnight session modestly in the green. By market close Thursday, the SPDR S&P [...] The post Spread Between Day/Night Returns Grows as Large Caps Fall this Week appeared first on ETF Trends .