STOCKS ON THE MOVE

▲ Twitter Inc., up 30 cents to $37.44

Held preliminary talks to buy TikTok’s U.S. operations, according to the Wall Street Journal.

▲ Simon Property Group, up $3.28 to $65.47

Is considering selling empty mall department store space to Amazon, according to reports.

▲ PPL Corp., up $1.51 to $28.65

Utility began process of selling its U.K. business.

▲ Foot Locker Inc., up $2.15 to $29.63

Gave investors an encouraging sales update.

▲ MGM Resorts Int’l, up $2.62 to $21.65

IAC bought a 12% stake in the casino operator.

▲ Nikola Corp., up $8.09 to $44.81

The electric truck maker won a contract to make garbage trucks for Republic Services.

▼ Reata Pharma, down $51.79 to $104.41

The biotechnology faces potential delays with several of its drug development programs.

▼ Eastman Kodak, down $4.15 to $10.73

The former photography giant’s government deal to make generic drugs is on hold.