(4-traders.com) Jan. 06--NuVasive Inc., a San Diego-based medical device maker, which recently announced plans to move its Fairborn operations to West Carrollton, said Tuesday that it would acquire privately held Ellipse Technologies Inc. for $380 million in cash. NuVasive said it expects the acquisition to boost revenues "toward the high-single digit range" and...http://www.4-traders.com/NUVASIVE-INC-10279/news/NuVasive-Dayton-area-medical-device-maker-to-acquire-competitor-for-360M-21639816/