Market this week: Reliance Industries top gainer on robust Q3 earnings, Sun Pharma dips 12%

shares surged 8 percent this week after reporting a record quarterly profit on Thursday. RIL shares also accounted for the biggest gains, ending 4.4 percent higher at its best closing level since October 3 on Friday.

Yes Bank was the other major gainer this week despite the stock closing lower today. Yes Bank gained on reports that Deutsche Bank's Ravneet Gill is among the race to succeed incumbent MD and CEO Rana Kapoor.

Infosys shares gained 7 percent this week after its third quarter results. Shares of Wipro surged 5.3 percent this week as the company will consider a bonus issue and announce its third quarter results later in the evening.

Among major losers, Sun Pharma shares plunged 8.4 percent to their worst close since February 2013 after reports of fresh allegations by a whistleblower against the country’s biggest drugmaker. Shares shed 12 percent this week.

Bharti Airtel was other biggest loser this week as there looks no end to the ongoing price war in the sector with Reliance Jio set to maintain current tariffs. Airtel shares fell 7.1 percent this week and fell more than 6 percent in today's trade. GAIL, L&T and SBI were other major losers falling between 2.5 and 5 percent.

Among midcap gainers, Vakrangee shares moved up 27 percent this week. The small cap IT stock has risen nearly 48 percent in the last one month. Castrol India shares surged 9 percent, while Strides Pharma climbed 8.1 percent on a weekly basis. Mindtree and GSPL were other major gainers.

Sun Pharma Advanced Research (SPARC) shares declined more than 19 percent this week, tracking losses in parent company Sun Pharma. TV18 Broadcast, IDBI Bank, Edelweiss Finance, Federal Bank were other major losers.