"United Technologies Corp. Tuesday unveiled a $12 billion share-repurchase plan, partly funded through the sale of its Sikorsky helicopters business," confirms NASDAQ , "as the company said it continued to face sagging sales in its latest quarter." The Connecticut-based maker of Pratt & Whitney jet engines, Carrier air-conditioning equipment, and Otis elevators registered a 5.6 percent decline in third-quarter sales amid engine-delivery delays and currency headwinds.