NEW YORK ( TheStreet) -- Wal-Mart ( WMT), the world's No. 1 retailer, missed analysts expectations in the fourth quarter as lower prices cut into company margins. The retailer posted net income for the quarter ending Jan. 31 of $1.50 a share, 15% lower than the period a year earlier. Profit, excluding some items, came in at $1.44, slightly off the forecast for $1.45 a share. Revenue grew to $122.28 billion, also below the forecast of $124.21 billion. Shares were dropping 2.7% to $62.48 in premarket trading Tuesday. Home-improvement giant Home Depot ( HD) beat estimates, helped by a rise in residential spending due to warmer weather. The company reported earnings of 50 cents a share on revenue of $16 billion. Analysts forecast profit of 42 cents a share in the fiscal fourth quarter on sales of $15.5 billion. Shares were rising 3.3% to $46.71 in premarket trading. Kraft Foods ( KFT) reported fourth-quarter net income of 47 cents a share and earnings, excluding items, of 57 cents a share, on revenue of $14.7 billion. Analysts were expecting profit of 57 cents a share on revenue of $14.79 billion. The stock was slipping 0.6% to $38.01. Medco Health Solutions ( MHS) handily beat estimates with a 12% jump in fourth-quarter profit to $424.4 million, or $1.08 a share, on net revenue of $19 billion. Adjusted earnings were $1.25 a share. Analysts were looking for earnings of $1.17 a share on revenue of $17.45 billion. New clients and higher prices for generic brand names led to a rise in the company's generic dispensing rate. Shares, which have grown 15% so far this year, were inactive in premarket trading. URS ( URS) announced Monday it reached a deal to buy Flint Energy Services for C$1.25 billion ($1.25 billion). URS, a San Francisco-based construction company, said it would pay 25 Canadian dollars in cash for each outstanding share of Flint Energy Services. Right now, Canadian and U.S. dollars are nearly equivalent. The purchase price marks a 68% premium to Flint Energy Services' closing stock price Friday of C$14.90 on the Toronto Stock Exchange. Canadian and U.S. stock markets were closed Monday.