GTE Sprint Communications said it intends to...

GTE Sprint Communications said it intends to raise its long-distance telephone rates an average of 2% starting March 1 . . . Baron Capital Inc. and its president, Ronald S. Baron, raised its stake in Beverly Hills-based Wrather Corp.’s outstanding common shares to 7.4% from 6.4% . . . Martin T. Sosnoff reported that he has raised his stake in Caesars World Inc., Los Angeles, to 6.9% of the firm’s outstanding common shares . . . Dallas-based Texas Instruments has formally announced volume production and availability of 256K dynamic random-access memory chips . . . Newport Beach-based AirCal reported that it flew 125 million revenue passenger miles in January, a 22% increase over January, 1984 . . . Citing last month’s hard freeze in Florida, the Agriculture Department forecast that the 1984-85 orange harvest is expected to yield 160.65 million boxes, down 8% from the January forecast and 5% less than last season.