Booking Holdings (BKNG): The online travel agency logged lower profit and sales as global travel demand slowed due to persistent geopolitical tensions. The stock slipped about 1.7% afterhours.

Super Micro Computer (SMCI): The server company reported a near-fourfold increase in revenue as customers continued spending heavily on artificial-intelligence infrastructure. Shares advanced about 7%.

Block Inc. (XYZ): Shares jumped about 6% postmarket. The owner of Cash App and Square posted higher third-quarter profit as its payment services saw more volume.

Arista Networks (ANET): The network infrastructure company reported a profit of $1.56 billion, and the CEO said the company's year-over-year revenue growth was the strongest since its 2014 initial public offering. Shares jumped 14%.

Amgen $(AMGN)$: The biotech company raised its outlook after logging higher profit and sales in the third quarter, but biosimilar drugs cut into revenue for certain products. Shares eased back 1.8% postmarket.