New Delhi, Sept. 29 -- Coforge, TCS, and Wipro are among the eight constituents of the Nifty IT index that have lost up to 10% of their value in September so far, with the majority of the decline occurring last week amid multiple headwinds that made these stocks unattractive to the Street and weighed on overall market sentiment.

Coforge emerged as the worst performer, falling 10% to Rs.1,552 apiece, followed by Persistent Systems, TCS, and Tech Mahindra, which have dropped between 5% and 8.2%. Other stocks, including Mphasis, Wipro, HCL Technologies, and Infosys, also fell up to 4%.

Despite the sharp declines across the sector, two stocks, Oracle Financial Services and LTIMindtree, remained in positive territory, posting gains of over 1...