Earnings roundup: Health Net, Ameren

LOS ANGELES (AP)--Health Net Inc. said Tuesday it swung to a third-quarter profit, but results were weaker than expected due to rising medical costs, prompting the health insurer to slash expectations for the year and shake up management.

ST. LOUIS (AP)--Electric utility Ameren Corp. said Tuesday its third-quarter profit dropped 16 percent as consumers cut back on energy usage due to milder weather.

JACKSONVILLE, Fla. (AP)--Florida real-estate developer St. Joe Co. said Tuesday its losses nearly tripled in the third quarter as the state's housing market continued to slump.

ROSELAND, N.J. (AP)--Automatic Data Processing Inc. posted earnings Monday that beat Wall Street expectations but also signaled some belt tightening ahead as the economic picture sours.

PASADENA, Calif. (AP)--Construction services provider Jacobs Engineering Group Inc. said its fiscal fourth-quarter profit jumped 36 percent on strong demand for its services. Its shares rose more than 5 percent Tuesday morning.

PLANO, Texas (AP)--Shares of Perot Systems Corp. tumbled Tuesday after the information technology services provider gave a disappointing guidance for the fourth quarter.