Market Pfizer surges over 8% after parent firm's COVID-19 vaccine shows potential Updated : July 02, 2020 01:07 PM IST The stock rose as much as 8.5 percent to Rs 4,313.4 per share on the BSE. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.