In addition to the investigation reported yesterday in WinInfo, the U.S. Department of Justice is also looking into the investment Microsoft made in Apple Computer two weeks ago. Though Microsoft publicly committed to purchasing $150 million in non-voting Apple stock, the company also paid Apple Computer an undisclosed sum, thought to be in the hundreds of millions of dollars range, to settle possible patent infringements and get a cross-licensing deal with the Cupertino company.

Apple Computer has not yet responded to the DOJ investigation, though Microsoft thought enough of it to issue a press release yesterday. Officially, Microsoft is unconcerned