IT stocks crash, June 19 -- Indian IT stocks came under heavy selling pressure after global technology services giant Accenture trimmed the upper end of its full-year revenue growth forecast and issued a weaker-than-expected outlook, raising concerns about demand trends across the information technology sector.

Nifty IT index tanked 6.5% as against a 1% fall in the benchmark Nifty 50.

All Nifty IT constituents were also in the red. Infosys was the top dragger, down 7.5%, followed by Mphasis, Tech Mahindra, Persistent Systems and TCS, all declining over 6% each. Meanwhile, HCL Tech, Coforge, LTM also shed over 5% each, and Wipro and L&T Tech were down 4% and 2%, respectively.

The negative sentiment spilled over from global technology st...