On the BSE, Metal Coatings (down 11.94 per cent), Ratnabhumi Developer (down 10.76 per cent), SAL Automotive (down 10.29 per cent), SKP Securities (down 9.23 per cent) and Howard Hotels (down 9.14 per cent) were among the stocks that plunged over 5 per cent during the session.
In the Nifty pack, 30 stocks traded in the green, while 20 stocks traded in the red.
The Nifty index was trading 7.8 points up at 16504.25.
On the BSE, Grandeur Prods, Ozone World, Aashee Infotech, Hi-Tech Winding S and Premier Capital Services Ltd. hit their fresh 52-week lows, while S & S Power Switch, BLS Int. Services, BNK Cap Market, Supershakti Metaliks and Continental Chem touched their fresh 52-week highs.