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.