Stock Market Movers: 30 October 2026

2. RDDT: Reddit Inc. (RDDT) loses 29% as Q3 traffic down sharply.

1. ATEC: Alphatec Holdings (ATEC) slashes 38.08% on lower revenue forecast.

Highest Gainers

10. TMUS: T-Mobile (TMUS) jumps 6.21% on raised free cash flow outlook.

9. KOS: Kosmos Energy (KOS) climbs 6.74% on bargain-hunting.