An Oppenheimer analyst has turned bullish on Oracle’s stock after a selloff that has wiped away more than half the company’s value since its September peak.

Oracle is now down a staggering 54.9% from its all-time high (achieved last September). Here's why Oracle could still be a millionaire maker, and some risks to consider before buying the tech stock.

"The selloff in the shares has brought investor expectations to levels that better reflect the uncertainty and risks of Oracle's transition to a capital-intensive business," Oppenheimer analysts led ...

Shares of Oracle (ORCL) rose about 4% on Wednesday after Oppenheimer upgraded the stock to Outperform from Perform.