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Stocks Struggling To Hold 17,000 As Investors Await Q2 Earnings

U.S. stocks are having a shaky start this morning. The Dow Jones Industrial is losing grip of the 17,000 mark. Stocks reached new highs last week on upbeat news from the jobs front. But not everyone is participating in the recovery according to Wal-Mart U.S. (WMT) CEO and President, Bill Simon. He told Reuters, spending at his stores has not increased. Investors are waiting on earnings to get a better sense of where the economic recovery stands. Alcoa (AA) reports after the bell today and will be closely watched. On the upside: Groupon (GRPN) is having a good start to the trading day. The stock is higher after an analyst upgrade. TheStreet's Susannah Lee has the details from Wall Street.