Shares of nine IT companies fell by 0.06% to 2.42% at 11:54 IST on BSE after rupee appreciated against the US dollar.
Meanwhile, the S&P BSE Sensex was down 50.71 points, or 0.14% to 34,930.31.
Infosys (down 1.52%), Tech Mahindra (down 2.06%), HCL Technologies (down 1.15%), Oracle Financial Services Software (down 1.21%), Hexaware Technologies (down 2.42%), TCS (down 0.83%), MphasiS (down 1.58%), Wipro (down 0.06%) and Larsen & Toubro Infotech (down 0.43%) edged lower.
A firm rupee adversely affects operating profit margin of IT firms as the sector derives a lion's share of revenue from exports.
In the foreign exchange market, the rupee edged higher against the dollar. The partially convertible rupee was hovering at 70.62, compared with its close of 70.6950 during the previous trading session.
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