By Sruthi Shankar
The market appeared less concerned about possible retaliation from the air strikes, which marked the biggest intervention by Western countries against Syrian President Bashar al-Assad and his ally Russia.
Attention turned to what is expected to be a robust first-quarter earnings season.
Shares of JB Hunt Transport Services jumped 7 percent after the trucking company's profit topped estimates.
But Bank of America edged lower despite reporting a better-than-expected increase in quarterly profit.
"People are optimistic in the earnings season ... but there are a lot of forces working in the market - technicals, earnings and geopolitics, which is the biggest wild card," said J.J. Feldman, portfolio manager at Los Angeles-based Miracle Mile Advisors.
Shares of optical components makers Acacia Communications, Oclaro, Lumentum and Finisar took a beating after Reuters reported that the U.S. government was banning American companies from selling components to Chinese telecom equipment maker ZTE Corp.
Netflix fell more than 2 percent. The company is expected to reports results after the closing bell on Monday.
Advancing issues outnumbered decliners on the NYSE for a 2.90-to-1 ratio. On the Nasdaq, a 1.71-to-1 ratio favoured advancers.
(Reporting by Sruthi Shankar in Bengaluru; Editing by Anil D'Silva)
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