New Delhi, April 21 -- Wall Street's key stock indices pared gains on Tuesday after crude oil rebounded as investors awaited confirmation that Iran will join peace talks in Islamabad.

At 11:56 a.m. EDT, the Dow Jones Industrial Average fell 0.19%, the S&P 500 dropped 0.25%, and the Nasdaq was down 0.11%.

At the open, the Dow Jones Industrial Average rose 245.8 points, or 0.50%, to 49,688.37. The S&P 500 rose 13.5 points, or 0.19%, to 7,122.64, while the Nasdaq Composite rose 60.9 points, or 0.25%, to 24,465.339.

"The demand for stocks is there this morning, with market participants clutching to good news over bad and retaining hope that the Iran war won't have a lasting and negative impact on the global economy," said Briefing.com anal...