Stocks making the biggest moves after hours: Rivian, Kezar, Dynatrace

Rivian electric pickup trucks sit in a parking lot at a Rivian service center on May 09, 2022 in South San Francisco, California.
Justin Sullivan Getty Images

Check out the companies making headlines after hours.

Rivian — Shares of the electric vehicle maker increased 2.7% after announcing after the bell that production met expectations in its quarter ending Sept. 30.

Dynatrace — The software intelligence company jumped 4.6% after being upgraded to a buy from JPMorgan. Earlier, the stock rose 3% during regular trading.

Kezar Life Sciences — Shares of the biotechnology company were up 2.3% after it announced FDA clearance of its investigational new drug application for an autoimmune hepatitis treatment.

Rocket Pharmaceuticals — The stock dropped 4.6% after the company started a $100 million secondary. Underwriters have a 30-day option to purchase up to $15 million in additional shares.

These are the stocks posting the largest moves in extended trading.