KEY POINTS
  • Chipotle Mexican Grill's stock is on pace for its second-best day ever, behind its IPO debut in 2006.
  • New CEO Brian Niccol fuels investors' optimism with his vision for Chipotle's future.

After a three-year sales slump, investors are betting that Chipotle Mexican Grill could finally be headed for a turnaround as a new CEO takes the helm.

On the back of menu price hikes, Chipotle posted better-than-expected earnings, sending shares soaring. In trading Thursday, shares jumped more than 23 percent, its second-best day ever, behind its IPO debut in 2006, when its share price doubled.