Earnings roundup: Ivanhoe Energy, Compass

Among the earnings stories for Monday, May 12, from AP Financial News:

NEW YORK (AP) _ Ivanhoe Energy Inc., a Canadian oil and gas company, said Monday its first-quarter loss widened, as a drop in production offset higher oil prices.

WESTPORT, Conn. (AP) _ Holding company Compass Diversified Holdings Inc. said Monday it swung to a loss on higher sales costs and other expenses.

LINCOLN, Neb. (AP) _ Student lender Nelnet Inc. said Monday it swung to a loss in the first quarter, hurt by restructuring-related charges, a loss on the sale of loans and a steep drop in interest income.

KANSAS CITY, Mo. (AP) _ Wireless carrier Sprint Nextel Corp. said Monday it had a larger first-quarter deficit as revenue fell, it lost more than a million subscribers and it absorbed charges for severance and other costs.

SAN JOSE, Calif. (AP) _ Power producer Calpine Corp. said Monday its first-quarter loss narrowed as higher electricity prices offset certain one-time contract losses.

BERKELEY, Calif. (AP) _ Shares of Xoma Ltd. fell Monday after the biotechnology company's first-quarter loss came in above Wall Street expectations.

ST. LOUIS (AP) _ Stifel Financial Corp.'s profit jumped 62 percent in the first quarter as the investment bank added business from acquired companies, the company said early Monday.