 Vantage, a Sydney-headquartered multi-asset broker, has signed Alexandra Mary Hirschi, an Australian social media celebrity and automotive YouTuber popularly known as Supercar Blondie, as its Brand Ambassador. The brokerage firm announced the deal on Wednesday in a statement.This partnership marks a milestone between an online brokerage with a social media publisher, aimed to use their respective expertise to provide accessible and relevant financial education both on Vantages platfo... 