Also. . .

* @Home Corp., the No. 1 U.S. provider of Internet service over cable lines, may miss estimates of adding 400,000 subscribers in the second quarter because of a modem shortage, analysts said.

* Texas Instruments Inc., whose semiconductors run about two-thirds of the world’s cellular phones, agreed to buy closely held Dot Wireless Inc. for $475 million in stock, its third acquisition in just over a week. TI shares fell $2.63 to close at $69 on the NYSE.