Shake Shack (NYSE:SHAK) Surge Lifts Market Value by Amount Equal to Yearly EBITDA Guidance
Shake Shack shares surged on Wednesday following Starboard Value's disclosure of a fresh stake, building on previous gains spurred by earnings.

Shake Shack Inc. gained 0.45% to close at $71.77 on Tuesday. By 17:18 EDT, the stock moved down 0.53% in after-hours trading to $71.39. The company’s pricing controls faced examination following a widely shared kiosk video.