US stocks open lower on euro worries

In this Jan. 31, 2011 photo, trader Michael Urkonis, center, uses his handheld device as he works on the floor of the New York Stock Exchange. (AP Photo/Richard Drew)

January 30, 2012 7:47:18 AM PST
U.S. stocks are falling at the opening of trading. Uncertainty about a deal between Greece and its creditors to ease its debt burden is weighing on investor sentiment.