Market benchmark Sensex plunged over 600 points in early trade on Monday, tracking losses in index-heavyweights Reliance Industries, HDFC twins and ICICI Bank amid a negative trend in Asian equities. The 30-share BSE index tanked 607.32 points or 1.24 per cent to 48,175.04 in initial deals. Similarly, the broader NSE Nifty tumbled 152.45 points or 1.04 per cent to 14,478.65.

Titan was the top loser in the Sensex pack, shedding around 3 per cent, followed by SBI, ONGC, Reliance Industries, Axis Bank, HDFC Bank, ICICI Bank, HDFC and Bajaj Finance. On the other hand, M&M, Bajaj Auto, Maruti, HUL, IndusInd Bank and Nestle India were among the gainers. In the previous session, Sensex sank 983.58 points or 1.98 per cent to finish at 48,782.36, and Nifty fell 263.80 points or 1.77 per cent to 14,631.10.