NVIDIA is drawing attention after authorizing an additional $150 billion for share repurchases, launching an AI agent safety platform, and benefiting from strong results at memory-chip supplier Micron. The authorization raises NVIDIA's remaining buyback capacity to $235 billion, with execution planned through fiscal year 2028. The company also introduced the Open Agent Safety Platform, combining OpenShell open-source software with the Sentry reference design to govern and control AI agents across software and hardware. Micron's fiscal fourth-quarter results exceeded expectations, with adjusted earnings per share of $33.42 versus a $31.45 consensus estimate, supporting gains in NVIDIA, AMD and Intel. NVIDIA shares were up 2.14% at $235.80 at publication, according to Benzinga Pro.