Sentiments were positive on better than expected earnings, while market witnessed a tinge of shortcovering in view of derivatives expiry of July series due tomorrow and ahead of the US Federal Reserve's policy outcome.
Bouts of profit-booking witnessed in telecom, IT and teck segments.
The Sensex had resumed higher at 32,255.99 and moved between 32,321.23 and a low of 32,226.08 in morning trade.
The barometer was quoting at 32,319.52, showing a gain of 91.25 or 0.28 per cent at 1150 hrs.
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Among the major gainers, M&M 1.81 pct, Tata Steel 1.80 pct, Reliance 1.18 pct, ICICI Bank 1.18 pct and Sun Pharma 0.98 pct.
Losers include Asian Paint 1.91 pct, Axis Bank 1.87 pct, BhartiAirtel 1.87 pct and TCS 0.55 pct.
Foreign portfolio investors (FPIs) bought shares worth a net Rs 270.77 crore yesterday, as per provisional data. While, domestic institutional investors (DIIs) sold shares worth a net Rs 209.50 crores.
Overseas, most Asian markets were trading higher tracking positive session from Wall Street overnight.
US equities closed higher yesterday after a slew of major companies reported better-than-expected quarterly results. Wall Street had also set its sights on the Federal Reserve, as the central bank kicked off a two-day monetary policy meeting yesterday.