By Dan Primack
March 27, 2012

Rio Tinto (LSE: RIO) indicated yesterday that it would be willing to sell its diamonds business, which is valued at around $1.2 billion.

RDA Microelectronics (Nasdaq: RDA) has acquired the baseband intellectual property of Coolsand Holding Co., a Chinese baseband company backed by Warburg Pincus. The deal was valued at $46 million, including around $20 million in cash and 15 million RDA ordinary shares. www.rdamicro.com

Gen Cap America has acquired Nth Degree Inc., a Duluth, Ga.-based provider of outsourced trade show and event services, from Frontenac Co., PPM America Capital Partners, One Equity Partners and Svoboda Capital Partners. www.nthdegree.com

Wabash National Corp. (NYSE: WNC) has agreed to acquire Walker Group Holdings LLC, a New Lisbon, Wis.–based manufacturer of liquid-transportation systems and engineered products, for $360 million in cash. Sellers include Insight Equity. Wabash also announced that it has secured financing of up to $450 million from Morgan Stanley and Wells Fargo, to finance the acquisition and for other corporate purposes. www.walkerstainless.com

L&T Finance Holdings of India has acquired the India mutual fund business of Fidelity Worldwide Investment. No financial terms were disclosed.

Oclaro Inc
. (Nasdaq: OCLR) has agreed to acquire Opnext Inc. (Nasdaq: OPXT), a maker of optical modules, components and subsystems. The deal is valued at around $177 million in stock.www.oclaro.com

Rovio, the Finnish game maker behind Angry Birds, has acquired Futuremark Games Studio, whose titles include space games Unstoppable Gorg and Shattered Horizon. No financial terms were disclosed. Rovio backers include Accel Partners, Atomico and Felicis Ventures. www.rovio.com

TCP International Holdings Ltd., a Shanghai-based provider of energy-efficient light bulbs to the global structures light bulb market, has filed for a $100 million IPO. Jefferies, Citigroup and Piper Jaffray are serving as co-lead underwriters.

Want deal news in your inbox each morning? Get Term Sheet!

You May Like

EDIT POST