Katie Tarasov / CNBC:Arm CEO Rene Haas projects $25B in revenue in 2031, up from $4B in 2025, including $15B from sales of Arm's first in-house chip; ARM jumps 6%+ after hours — Arm Holdings stock popped 6% in after-hours trading on Tuesday as CEO Rene Haas announced 2031 annual revenue expectations that were more than six times what it was in 2025.