Up to $750-million financing includes$550-million primary and $200-million secondary offerings.Toronto-based FinTech firm Wealthsimple has announced that it has signed an equity round of up to$750 million CAD at a post-money valuation of $10 billion.This represents double the company’s$5-billion valuation a year ago. It comes on the heels of significant growth for Wealthsimple, which revealed last week at its product showcase that it had doubled its total assets under administration over the past year t ...