Super Micro’s former auditor raised concerns in July about the company’s accounting practices and internal financial controls.

Just over a month after Ernst & Young resigned as its public accounting firm, Super Micro Computer says a review committee has found no evidence of fraud or misconduct among the server maker’s leaders

The server maker has been a part of the frenzy around artificial intelligence companies and has had big swings, moving up or down by 10% or more in 10 of November’s 19 trading days.