London-based AI chip startup Fractile raised $720M from Thrive, Founders Fund, and others, sources say at a $7B post-money valuation, up from ~$1.1B in May (George Hammond/Financial Times)

https://www.ft.com/content/f999a0c2-af52-499f-8008-accbdfd45a25
http://www.techmeme.com/261111/p25#a261111p25