Computer networking shop 3Com ( COMS) dipped late Thursday after posting weak numbers. The Marlborough, Mass., data gearmaker posted an adjusted net loss of $30 million, or 8 cents a share, on sales of $177.5 million for its fiscal third quarter ended March 3. Those numbers compare with an 11-cent loss on $161 million in revenue in the year-ago quarter. Analysts were looking for a net loss of 7 cents a share on $191.6 million in revenue, according to Reuters Research. "3Com continues to lower its on-going operating costs, but we still have a way to go in these efforts. We are committed to building a profitable business as quickly as we can," CEO Scott Murray said in a press release Thursday. The company's shares fell 8 cents to $5.03 in after-hours trading Thursday.