On Thursday, the domestic equity benchmark BSE Sensex was trading 259.24 points down at 33,774.72 around 09:40 am on account of selling in frontline bluechip counters.Today, the following shares were among the top performers TN Petroproducts, Link Pharma, Surat Textile, Surana Telecom, Sahara Housing Jagsonpal Pharma, Hariyana Ship Breakers, Ambition Mica, Benara Bearings & Pistons and Fervent Synergies.The Nifty 50 index was trading 73.20 points down at 10,151.55. Among the 50 components in the Nifty index, 11 shares were trading in the green, while 38 were in the red.