During the session, the BSE benchmark Sensex swung over 260 points both ways on alternate bouts of buying and selling by participants.

Shares of ITC slumped 4.16 percent to their worst closesince December 26, despite beating analysts' estimates for third-quarterprofit. The firm  reported 3.84 per cent increase in standalone net profit at Rs 3,209.07 crore for the third quarter ended December 31, 2018.

From April 2019 onwards, AMCs will have to submit the MCR to Sebi in the new format by the third working day of each month.

Sun Pharma announces key structural changes to deal with a dent in its image and plummeting stock prices

The 30-share BSE index jumped 228.12 points, or 0.63 per cent, to 36,614.73 in early trade. The NSE Nifty, too, rose 53.10 points, or 0.49 per cent, to 10,960.05.

Investments worth over Rs 3,038 crore in this defence corridor were announced. A majority of the investments would come from PSUs, while private players will invest Rs 225 crore.

To pinpoint any wrongdoing that Sun Pharma allegedly embarked upon, it is first necessary to get a fix on what the whistle-blower says. Much now depends on what SEBI chooses to do.