Super Micro Computer stock is still volatile.The AI server maker’s shares were at one point among the biggest gainers in the S&P 500 on Tuesday, jumping 5.6% shortly after the open. At the close, shares were down 4.

The big recovery in Supermicro shares started with a 12.1% gain over the month of November, according to data provided by S&P Global Market Intelligence. But it didn't stop there. In just the first two trading days of December, the stock has surged more than another 30%. And it may not be done yet.

Server maker Super Micro Computer stock (NASDAQ: SMCI) extended its recent rally, gaining close to 29% on Monday.