Stocks that traded heavily or had substantial price changes Tuesday:
Delta Air Lines Inc., up $2.79 to $34.86.
The airline gave investors an encouraging financial update as demand for travel grows.
Coupa Software Inc., down $17.27 to $72.55.
The software company’s financial forecast fell short of analysts’ expectations.
Olin Corp. down $1.38 to $50.25.
The Missouri-based maker of Winchester ammunition suspended production of epoxy at a plant in Germany because of weak demand.
Wingstop Inc., down $3.66 to $113.24.
Charlie Morrison resigned as the restaurant chain’s CEO to take the lead at Salad And Go.
Texas Pacific Land Corp., down $40.90 to $1,243.19.
The landowner announced a $100 million stock buyback plan.
Laureate Education Inc., up 70 cents to $12.68.
The for-profit higher education purveyor is increasing its stock buyback plan by $50 million.
HealthStream Inc., up 49 cents to $19.65.
The provider of internet-based educational and training content for health care professionals increased its buyback plan by $10 million.
Circor International Inc., up $4.07 to $27.63.
The maker of valves and other engineered products is considering strategic alternatives, including a possible sale.
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