New Delhi, March 4 -- US stock indices climbed on Wednesday as market sentiment shifted toward cautious optimism following President Donald Trump's assurance to stabilize global energy market amid the escalating Middle East conflict.

As of 11:15 a.m. Eastern Time, the S&P 500 rose 0.6%. The Dow Jones Industrial Average was up 0.5% and the Nasdaq Composite surged 1.1%.

At the opening bell, the Dow Jones Industrial Average rose 134.33 points or 0.28% to 48,629.08. The S&P 500 rose 15.1 points, or 0.22%, to 6,831.69​, while the Nasdaq Composite rose 104.2 points, or 0.46%, to 22,620.89.

CFRA Research's Sam Stovall cited President Trump's pledge to direct the US Navy to provide safe passage to oil tankers in the Strait of Hormuz, a c...