The Sensex hit an early low of 73,949.76 during the first two hours of trading but surged to a high of 75,805.27, marking a significant intraday swing of roughly 1,855 points The post Market closes strong: Sensex up 938 points, Nifty ends at 23,408; UltraTech, Trent lead gainers, check full list of losers here appeared first on News24 .