Bears staged a decisive comeback on Dalal Street on Thursday, forcing the major benchmark indices to shed earlier gains. Profit booking dominated trading as both the Sensex and Nifty pared back substantial gains, leading to a sharp decline in market sentiment.At 2:33 pm, the Sensex had slipped 104 points, settling at 78,007. Meanwhile, the broader Nifty index fell below the critical 24,200 mark. The 30-share benchmark was notably trading more than 700 points below its peak for the day...