Nifty 50 posts biggest weekly drop in 6 years amid crude surge, rising global yields. Can bulls roar back?

New Delhi, Sept. 25 -- It appears that control of the Indian stock market has been fully taken over by the bears, as headwinds continue to hit Dalal Street one after another, giving investors much-needed reasons to liquidate stocks at a much faster pace and dragging the headline indices to multi-mo…