D-Street bears brunt of elusive US-Iran truceIndia's equity gauges ended the week with losses of around 2% as optimism about a truce between the US and Iran faded with the Strait of Hormuz staying shut and both sides engaging in harsh rhetoric.The main indices fell 1% on Friday amid a selloff in IT companies. While declines offer opportunities, investors should be cautious and deploy funds in a gradual manner, analysts said. The NSE Nifty slid 1.1% or 275.10 points to 23,897.95. The BSE Sensex finished at 76,664.21, down 1.3% or 999.79 points. In the past week, both indices dropped 1.9% and 2.3%, respectively, after logging two weeks of gains.130507828Spike in Oil Prices"The week began with optimism of negotiations yielding results but that did not materialise and crude oil prices rose higher this week," said Christy Mathai, fund manager, Quantum Mutual Fund.To be sure, ceasefires in both Iran and Lebanon have been extended but negotiating teams from Washington DC and Tehran haven't yet travelled to Islamabad for talks.Mathai said oil prices are expected to remain elevated, and this could lead to earnings being cut for more than one quarter.