(CNBC) U.S. stocks declined on Friday, with equities sliding into the loss column for the week, as investors tracked escalating tension in Ukraine, with the geopolitical strife overshadowing upbeat results from Microsoft.
"A large percentage of S&P 500 earnings comes from overseas; if Europe does less well, it would have an impact," said Scott Wren, senior equity strategist at Wells Fargo Advisors, referring to the potential implications of the geopolitical strife that on Friday had the United States and four European allies agreeing that Russia had not lived up to the terms of the Ukraine peace accord, with the White House vowing a coordinated response to "impose costs" on Russia.
"Going into the weekend, what could happen? So people are squaring up and going home without hanging it out there too far," Wren said.
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