News Brief: Grail, a biotech company with early backing from Microsoft co-founder Bill Gates and Amazon founder Jeff Bezos, says it’s raised $300 million in an oversubscribed Series C financing round. Gates and Bezos got in on a $100 million Series A round in 2016, and since then, total investment has risen to $1.5 billion. Headquartered in Silicon Valley and Hong Kong, Grail aims to develop diagnostic tools for early detection of cancer. The Series C round was led by Ally Bridge Group, co-led by Hillhouse Capital Group and 6 Dimensions Capital, and includes Blue Pool Capital, China Merchant Securities International, CRF Investment, HuangPu River Capital, ICBC International, Sequoia Capital China and WuXi NextCODE.