Updated from 1:55 p.m. EDTWinn-Dixie Stores ( WINN) sank after the Jacksonville, Fla., supermarket owner said it will probably post a loss for the 2008 fiscal year. The stock tumbled 21.7% to closed at $22.17. The outlook came as the company reported sales for the fiscal 2007 fourth quarter of $1.7 billion, an increase of 1.5% from a year ago. Winn-Dixie had net income for the quarter of $20.6 million, or 38 cents a share, compared with a loss of $17.2 million and 12 cents a share in the fourth quarter last year. Warren Buffett's Berkshire Hathaway ( BRK.A) has bought about 10 million more shares of Burlington Northern Santa Fe ( BNI), taking its stake in the railroad company to roughly 14.8%. Berskhire now owns about 52 million shares of the Fort Worth, Texas, company. Still, shares of Burlington Northern were down 2.1% to close at $78.66. Todd Shipyards ( TOD) said the U.S. Navy gave its Todd Pacific Shipyards unit a contract extension worth around $5 million for work on the aircraft carrier U.S.S. John C. Stennis. The company, a Seattle-based ship repairer, expects the Navy to authorize further work, resulting in contract modifications in the range of an additional $15 million to $20 million. Todd lost 5 cents to $22.95. Coachmen Industries ( COA) was falling on news its board has voted to suspend the payment of its quarterly dividend. The Elkhart, Ind., RV maker cited the troubles in the mortgage sector. "When we return our company to generating profits, we will certainly revisit the payment of a dividend," the company said. Shares of Coachmen were down 8.3% at $6.86.