Mumbai: Amid a hectic rush of investors for subscribing the initial public offer of NHPC, shares of power companies, led by Tata Power, on Friday tanked in afternoon trade on the Bombay Stock Exchange. Shares of biggest private sector power firm Tata Power dropped 5.35 per cent to a low of Rs 1,218 and Suzlon Energy declined nearly four per cent to a low of Rs 89 on the BSE. Besides, Anil Amba   read more »