Retail king Wal-Mart and value department store Kohl's bested Wall Street's Q3 earnings forecasts on Thursday. But both offered a guarded outlook for the critical holiday quarter as consumers face ongoing financial and job worries. Still, shares of both chains edged higher Thursday. Wal-Mart (WMT) earned 84 cents a share in Q3, up 9% vs. a year ago and 3 cents ahead of views. The world's No. 1 retailer got a lift from improved inventory controls