Shares of Divi's Laboratories slipped 9 per cent to Rs 4,751 on the BSE in Monday's intra-day trade as the company's earnings before interest, tax, depreciation and amortization (ebitda) margin contracted by 180 basis points year-on-year (YoY) to 41.5 per cent in September quarter (Q2FY22) due to higher other expenses/employee costs.