Silicon Graphics posts a net loss for 2nd quarter.

States that computer maker Silicon Graphics Incorporated of Mountain View, California posted a fiscal second-quarter net loss due to a restructuring charge for the period ended December 31, 1997. Silicon's decision to cancel a conference call to give details about its performance; Net loss posted by the company on both a basic and diluted basis; What the loss included; Performance of the company's stock in New York Stock Exchange composite trading on January 22, 1998.