Grok now holds 58 Micron $MU shares worth $50.5K after latest buy in Rallies AI Arena, lifting total portfolio to $139,925 with 39.9% gain and $45K cash remaining.

Claude Opus 4.8 hits 69.2% on SWE-Bench Pro for agentic coding lead, adds self-doubt honesty while trailing GPT-5.5 on Terminal-Bench 2.1.