Also. . .

* Marina del Rey-based Quarterdeck Corp. reported a fourth-quarter net loss of $1.8 million, or 3 cents per share, on revenue of $8.9 million, compared with a net loss of $18.6 million, or 43 cents, on revenue or $15.2 million a year ago.

* Damage-control teams at Carson-based Nissan Motor Corp. USA reassured employees that there are no plans for a layoff of 500 workers there, as reported in Japan’s leading business newspaper. The report in Nihon Keizai, attributed to unidentified sources at parent Nissan Motor Co. in Japan, was simply a rehash of a previously announced plan to merge the auto maker’s two main U.S. operating units, a spokesman said.