Market Why 25 stocks fell 10-30% in just 4 trading sessions Updated : October 20, 2018 04:16 PM IST As many as 25 stocks in the S&P BSE500 index plunged 10-30 percent for the week that ended on October 19. 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.