Together, we will work hard to restore Intel’s position as a world-class products company, establish ourselves as a world-class foundry and delight our customers like never before,” Tan said in a letter to Intel employees on Wednesday.

Shares of Intel closed 14% higher on Thursday, as Wall Street cheered its decision to name former board member Lip-Bu Tan as CEO, who left in August over differences about the chipmaker's direction, after several years of market underperformance.

Shares of Intel Corp. jumped 15% after the company named Lip-Bu Tan as its next chief executive officer, entrusting a former board member and semiconductor veteran with one of the toughest jobs in the chip industry.