5月14日电，超微电脑盘前涨18%。

Group 1 - The core point of the article is that Supermicro's stock surged by 18% in pre-market trading following a $20 billion partnership agreement with DataVolt [1] Group 2 - The partnership with DataVolt is significant, indicating a strong strategic move for Supermicro in the market [1] - The financial implications of the $20 billion deal could enhance Supermicro's growth prospects and market position [1] - The market reaction, reflected in the stock price increase, suggests investor confidence in the company's future following this agreement [1]