Stock prices of a number of pharma companies were also down, leading to overall decline of more than 3 per cent in the sectoral index.
Pfizer's scrip went down by 3.15 per cent to close at Rs 1,705.30 on BSE as the company has discontinued manufacture and sale of popular cough syrup Corex with immediate effect.
During the day, it had slipped 3.81 per cent to Rs 1,693.60 - its 52-week low.
Shares of Pfizer had slumped 9 per cent in the previous session also.
The Delhi High Court yesterday granted interim stay of notification restraining sale of pharma major Pfizer's cough syrup 'Corex' and directed the government not to take coercive steps against the company.
Reflecting overall weak sentiment for the sector, selling was also seen in other pharma stocks where Anuh Pharma tanked 9.84 per cent, Marksans Pharma dived 5.59 per cent, Nectar Lifesciences (5.40 per cent), Unichem Lab (5.08 per cent), Divis Lab (5.06 per cent), Dishman Pharma (4.76 per cent) and Jubilant Life Sciences (4.55 per cent).
In broader market, the BSE index, Sensex, was down over 253 points at 24,551.17.
