NEW YORK (AP) — Stocks that moved heavily or traded substantially on Monday:

Embraer SA, down 41 cents to $5.41.

Boeing pulled out of a deal to buy the Brazilian jet maker's commercial aviation business.

Tesla Inc., up $73.60 to $798.75.

The electric vehicle maker is reportedly calling some workers back to its Fremont, California factory.

Marathon Oil Corp., down 8 cents to $4.85.

Oil prices plunged on concerns over continued weakness in demand as the virus pandemic stunts commerce and travel.

Regeneron Pharmaceuticals Inc., down $18.69 to $547.52.

The biotechnology company is narrowing its development of a potential COVID-19 treatment to include only “critical” patients.

Big Lots Inc., up $2.33 to $22.70.

The retailer recorded a significant increase in sales over the last two weeks and is exceeding its expectations.

Axsome Therapeutics Inc., up $18.60 to $95.

The biotechnology company reported encouraging results from a study of a potential treatment for Alzheimer’s disease.

General Motors Co., up 50 cents to $22.45.

The carmaker suspended its quarterly dividend and stock buyback program.

Check Point Software Technologies Ltd., up $3.72 to $108.09.

The software company's first-quarter profit and revenue beat Wall Street forecasts.