STOCKS ON THE MOVE

▼ Walmart Inc., down $16.86 to $131.35. Trimmed its profit forecast for the year.

▲ United Airlines, up $3.43 to $46.97. Raised its revenue forecast for current quarter.

▲ Take-Two Interactive Software Inc., up $12.97 to $123.08.

Reported strong fiscal fourth-quarter profits.

▲ Stratasys Ltd., up $2.18 to $19.30.

The maker of 3D printers beat Wall Street’s first-quarter earnings and revenue forecasts.

▲ Abbott Laboratories, up $4.83 to $114.54. The infant formula maker will restart production at its largest domestic factory.

▲ Citigroup Inc., up $3.59 to $51.05. Berkshire Hathaway revealed new stakes in the bank and several other companies.

▲ Caterpillar Inc., up $5.90 to $213.09. Announced a $15B stock buyback program.

▼ Fluor Corp., down $1.98 to $25.20.

The U.S. government canceled a contract that has been beneficial to the company.