Stock market today, April 17 -- The key domestic indices, Nifty 50 and Sensex, opened lower on Thursday, impacted by declines in information technology stocks following Wipro's announcement of a revenue drop for the April-to-June quarter amidst global tariff challenges.

In early trading, the Sensex decreased by 362 points to reach 76,682.29, while the Nifty 50 fell by 129.75 points to 23,307.45. Wipro's shares dropped by 5.1%, pushing the IT index down by 1.4% after the software firm fell short of fourth-quarter revenue expectations and cautioned that its revenue might decrease by 1.5% to 3.5% in the upcoming quarter.

Shares of its larger competitor Infosys also slid by 1.1%. Infosys is set to release its earnings after the Indian marke...