The S&P 500 notched its biggest weekly percentage decline last week since September, with all losses notably coming from the day session. The S&P 500 — tracked by the SPDR S&P 500 ETF Trust (SPY) — lost 4.6% last week. By market close Friday, SPY climbed a modest 0.1% in night trading during the week, [...] The post Investors Capturing the Night Effect Avoided S&P 500 Losses Last Week appeared first on ETF Trends .