On Assignment Inc. (Nasdaq: ASGN) has agreed to acquire Apex Systems Inc., a Richmond, Va.–based IT staffing and services firm. The deal is valued at $600 million, including $383 million in cash and stock valued at $217 million. www.onassignment.com
TaylorMade-adidas Golf has agreed to acquire golf club maker Adams Golf Inc. (Nasdaq: ADGF) for approximately $70 million, or $10.80 per share.
Alibaba Group, Softbank and Yahoo have restarted talks about a tax-rich split that would allow Alibaba and Softbank to buy back Asian assets from Yahoo, according to the NY Times. www.yahoo.com
EMC Corp. (NYSE: EMC) has acquired Pivotal Labs, a San Francisco-based provider of agile software development services and tools. No financial terms were disclosed. www.emc.com
Vivox Inc., a Natick, Mass.-based social communications company, has acquired Droplet Inc., a Menlo Park, Calif.–based maker of video chat solutions for mobile networks. No financial terms were disclosed. Vivox has raised over $22 million from Benchmark Capital, Canaan Partners, Grandbanks Capital and IDG Ventures San Francisco. www.vivox.com
LSI Industries Inc. (Nasdaq: LYTS) has agreed to acquire Verticus Corp., a Beaverton, Ore.-based maker of automated network control systems and software for the management of indoor and outdoor lighting systems. The deal is valued at $3.15 million in cash, plus up to $5 million in earn-outs. Verticus had raised VC funding from Alliance of Angels and Dan Rosen & Associates. www.lsi-industries.com
Sentica Partners has sold Idesco OY, a Finnish maker of RFID-based access control products, to Lagercrantz Group. No financial terms were disclosed. www.lagercrantz.com
Beats Audio, an audio tech company whose backers include HTC, is in talks to acquire subscription-based music service MOG, as first reported by Business Insider. MOG has raised around $25 million in VC funding from Gracenote, Simon Equity Partners, Universal Music Group, Sony BMG, Menlo Ventures and Balderton Capital.
Want deal news in your inbox each morning? Then get Term Sheet!
