Super Micro Computer is earning a reputation for being a volatile stock but this week takes the cake. The stock was the best performer in the S&P 500 on Monday, surging 15.9%, but the worst performer on Tuesday,

The stock jumped 15.9% today, meaning it's now doubled since Nov. 15. There was no company-specific news out on the stock today, but shares continued their march higher as investors seemed to believe the risk in the stock was significantly reduced since it filed to stay in compliance and hired a new auditor.

There were various positive developments for Super Micro this week, beyond the news that the company has a new auditor.