Super Micro Computer stock was rising Thursday after chip maker Nvidia mentioned the company as a client. Shares of the server maker have been volatile because of problems with its accounting and those issues are not resolved yet.

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

Super Micro Computer shares surged 12% Friday to cap off a wild week that saw the stock add nearly 80%. Here's what drove the rally.