Stocks that traded heavily or had substantial price changes Monday:
Pfizer Inc., up $1.21 to $49.93.
The Food and Drug Administration gave full approval to the COVID-19 vaccine the company developed with BioNTech.
Trillium Therapeutics Inc., up $11.50 to $17.59.
The developer of cancer treatments agreed to be acquired by Pfizer for more than $2 billion in cash.
DoorDash Inc., down $1 to $183.08.
A California judge struck down a ballot measure exempting app-based delivery and ride-hailing services from a law requiring drivers to be classified as employees.
General Motors Co., down 62 cents to $48.18.
The automaker is recalling all Chevrolet Bolt electric vehicles worldwide to fix a battery problem that could cause fires.
Madison Square Garden Entertainment Corp., up $10.12 to $72.55.
The company reported revenue that was higher than analysts were expecting as its venues resumed hosting live events.
Analog Devices Inc., up $2.99 to $169.63.
The chipmaker received antitrust clearance from Chinese regulators for its combination with Maxim Integrated Products.
Occidental Petroleum Corp., up $1.52 to $23.47.
Energy companies were broadly higher as crude oil prices regained some of the ground lost in recent days.
Lennar Corp., down 87 cents to $104.45.
Homebuilders were lower following a report that sales of previously occupied homes rose at a more moderate pace in July from a year ago.
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