Shares of Dr Reddy's slumped 5 percent in early trade on May 11, a day after the company posted its Q4 results. The drugmaker's net profit for the quarter jumped 10-fold to Rs 959.2 crore from Rs 87.5 crore in the same period last year but still lagged the Street's estimate of Rs 1,093.6 crore. Brokerages have also flagged concerns over company's growth path.