Ion Exchange hits new high; gains 6% in two days on securing IOCL order In the past one month, the stock price of Ion Exchange has zoomed 41 per cent, as compared to 2.7 per cent rise in the S&P BSE Sensex. Shares of Ion Exchange (India) hit a new high of Rs 2,949, up 1.5 per cent on the BSE in Tuesday’s intra-day, surging 6 per cent in past two days after the company announced securing a contract worth Rs 343.36 crore from Indian Oil Corporation (IOCL) for setting up a zero liquid discharge plant at the Panipat refinery. In comparison, the S&P BSE Sensex was down 0.41 per cent at 62,578 at 10:27 AM.