This week has seen Alibaba affiliate Ant Financial raise the largest round an internet company has ever seen, US$4.5 billion at a valuation of $60 billion. Meanwhile, Rocket Internet’s Global Fashion Group has raised US$340 million and Vivint has raised US$100 million. Closer to home, REA Group is to acquire Flatmates.com.au, Rate My Agent has raised $5 million, and Haystack has raised $1.1 million in a seed round.