Tsinghua becomes first Chinese university to establish a physical presence in US following partnership on innovation with Washington.

The optical transceiver maker raised $38m in a series C round in September co-led by Google's growth equity unit.

Alibaba spin-out Ant Financial has closed a funding round of undisclosed size at a $45bn valuation.

Hearst Shkulev has expanded its network of regional news websites by acquiring a majority stake in Rugion.

Qihoo, which raised $39m in two rounds backed by IDG before floating on the New York Stock Exchange in 2011, is looking to go private again.

Chief executive Michael Xiangyu Chen hopes to buy out external shareholders including Legend and Tencent.

The media company has invested an undisclosed amount to increase its stake in the online property listings site by 5%.