U.S. Stocks Gain Steam as Investors Cheer Jobs Report; Walmart to Purchase Jet.com

U.S. stocks posted slight gains on Monday, after a strong July jobs report pushed the S&P 500 and the tech heavy Nasdaq to a record high close on Friday. Plus, Walmart (WMT) - Get Report agreed to acquire Jet.com in a cash deal valued at $3 billion. The startup Web retailer will also receive $300 million worth of Walmart stock. Delta Air Lines (DAL) - Get Report shares were in focus after the airline was plagued with a computer malfunction which at one point grounded flights. Delta said the ground stop has been lifted, though travelers should expect delays. Allergan (AGN) - Get Report shares rose after reporting earnings of $3.35 a share, beating estimates of $3.33. Revenue of $3.68 billion fell short of the $3.97 billion analysts were looking for. TheStreet's Scott Gamm reports from Wall Street.