Stocks are rallying in the final hour of trading more often than normal, a bullish development for market watchers bruised by recent volatility. The moments ahead of the stock market’s closing bell at 4 p.m. ET have grown in importance in recent years because index-tracking funds often depend on buying and selling shares using the day’s final price. That leads to a flurry of trading, with 30% of daily volume on exchanges operated by the New York Stock Exchange and Nasdaq occurring in the last hour of the day, according to...

Source: Wall Street Journal February 13, 2019 12:56 UTC