There’s a surge of excitement around a few big companies going public this year – like Apotex and SpaceX both going on stock exchanges this week. These IPOs, or initial public offerings, are generating a ton of buzz – and there’s particular interest in trying to invest in a company before it goes public.Meera Raman, The Globe’s personal finance reporter, is here today to explain how Canadians are getting involved in IPOs, and the potential benefits and risks of this increase in DIY investing.