After-hours movers:

Arm Holdings (NASDAQ: ARM) fell 8% despite solid quarterly results, after guidance disappointed investors. Arm Holdings sees Q1 2026 EPS of $0.30-$0.38, versus the consensus of $0.42. Arm Holdings sees Q1 2026 revenue of $1-1.1 billion, versus the consensus of $1.1 billion.

AppLovin (NASDAQ: APP) rose 14% after first quarter results beat estimates and it delivered strong guidance. Revenue for the quarter came in at $1.48 billion versus the consensus estimate of $1.38 billion.

Fortinet (NASDAQ: FTNT) fell 8% despite in-line quarterly results after it published lackluster guidance. For the second quarter of 2025, Fortinet currently expects revenue in the range of $1.590 billion to $1.650 billion.

Carvana (NYSE: CVNA) fell 7% despite solid quarterly results, with expectations elevated into the print.

H&R Block (NYSE: HRB) rose 5.5% after EPS beat consensus. Total revenue of $2.3 billion increased by $92.3 million, or 4.2%, versus prior year.

Zillow Group, Inc. (NASDAQ: ZG) fell 4% after its guidance disappointed investors.