Also

The Federal Trade Commission has ended its investigation into the data collection practices of New York-based Internet advertising company DoubleClick Inc. “DoubleClick never used or disclosed consumers’ [personal identifying information] for purposes other than those disclosed in its privacy policy,” Joel Winston of the FTC said.

* U.S. Interactive Inc., which helps companies do business on the Internet, filed for Chapter 11 protection after announcing a $25.6-million third-quarter loss and cost-cutting efforts. The King of Prussia, Pa.-based company listed $430.7 million in assets and $102.9 million in debts.

* Intersil Corp., an Irvine wireless communications chip company, said it has agreed to sell its discrete power products business--which accounts for about 25% of its revenue--to Fairchild Semiconductor International Inc. for $338 million in cash. Intersil said 650 employees and a manufacturing complex in Mountaintop, Pa., will become part of Fairchild.

* Computer maker Gateway Inc. is suing Compton-based Roundhouse Inc. to keep it from using a black-and-white cow pattern on a portable compact disc holder. Roundhouse has not filed a response to the suit.