Mumbai: Benchmark indices on Thursday again hit their closing highs, after a day’s breather, with the Sensex soaring 330 points and the Nifty gaining 85 points on the day of May derivatives expiry. Index heavyweights RIL, HDFC and TCS mainly led the Sensex chart. After a positive opening, the 30-share Sensex soared to a high of 39,911.92 during the day. It finally closed at 39,831.97, up 329.92 points or 0.84 per cent — its lifetime closing high. The broader Nifty too started on a high and went on to hit a high of 11,968.55 before settling the day at 11,945.90, rising 84.80 points or 0.71 per cent — a record closing level for the index. PTI