When I think about stocks with millionaire-maker potential, I typically envision fast-growing companies with small valuations -- two characteristics Super Micro Computer (NASDAQ: SMCI) has in spades.

On Monday, the company said that it had hired BDO as its public auditor, replacing Ernst & Young, which resigned in October after it raised concerns regarding the

Microsoft turned into a growth stock again after Satya Nadella, who became its CEO in 2014, drove the company to transform its desktop-based software into cloud-based services and mobile apps. It also turned Azure into the world's second-largest cloud infrastructure platform and expanded its hardware and gaming businesses.