EMC Corp. said Friday it plans to eliminate 1,000 positions but added that it will see a net gain in total employment by year's end as the company moves to emphasize data services and software amid pressure to cut costs in the data storage hardware business. EMC, whose shares fell about 2 percent Friday, announced the cuts affecting about 4 percent of its work force as it raised its fourth-quarter revenue estimate. The company also said a total $269 million in charges from the job moves and other expenses will reduce its quarterly and full-year 2005 earnings, to be announced...