Pharma companies, such as Cipla, Wockhardt and Merck, banking majors — State Bank of India, Syndicate Bank, Oriental Bank of Commerce, Dena Bank, Federal Bank and Central Bank of India - PSU biggies BHEL and SAIL are some of the high-profile companies, whose shares hit multi-year lows on Thursday. With these shares facing unabated selling pressure, there are hopes in some quarters that they could see a relief rally, if not value buying. But experts have adviced investors to exercise caution.