Mumbai, Nov. 18 -- IRIS Business Services Ltd lost 4.57% today to trade at Rs 322.8. The BSE Information Technology index is down 0.19% to quote at 35425.96. The index is up 3.65 % over last one month. Among the other constituents of the index, Birlasoft Ltd decreased 1.5% and Datamatics Global Services Ltd lost 1.31% on the day. The BSE Information Technology index went down 13.79 % over last one year compared to the 9.96% surge in benchmark SENSEX. IRIS Business Services Ltd has added 3.71% over last one month compared to 3.65% gain in BSE Information Technology index and 1.3% rise in the SENSEX. On the BSE, 1272 shares were traded in the counter so far compared with average daily volumes of 2879 shares in the past one month. The stock ...