(CNBC) — U.S. stocks closed lower on Wednesday as investors weighed the renewed impasse in the Greece debt talks and digested domestic data. ( Tweet This )
"It's all about Greece and continued strength in the U.S. (economy). Those are the two trends. It really depends on the day of the week to determine what's dominating," said Krishna Memani, chief investment officer at Oppenheimer Funds.
The Dow Jones industrial average extended losses in the close to end down about 175 points lower. The Dow transports ended down 1.86 percent as railway stocks dragged all components lower.
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