U.S. stocks zigzag as traders eye Greece; Nike rallies

(Reuters) - U.S. stocks were mixed at the open on Friday ahead of a Eurogroup meeting about extending Greece’s bailout program. The Dow Jones industrial average rose 58.02 points, or 0.32 percent, to 17,948.38, ...

U.S. stocks zigzag as traders eye Greece; Nike rallies source: http://finance.yahoo.com/news/wall-street-mixed-open-ahead-133739493.html