Week 06 in AI: Big Tech commits a stunning $650B to 2026 AI infrastructure, sparking a $1T software stock rout as investors bet on AI agents replacing SaaS. OpenAI and Anthropic escalating the model war with simultaneous agent launches, while SpaceX and xAI merge in a $1.25T deal. Plus, a major security crisis hits the OpenClaw agent platform.

📋 Quick Takeaways

• Big Tech commits a staggering $650 billion in combined 2026 AI capex — the largest corporate infrastructure buildout in modern history
• Amazon shocks Wall Street with a $200B AI infrastructure plan ($50B above estimates), sending shares down 10%
• Dow Jones crosses 50,000 for the first time ever, surging 1,206 points in a single session fueled by AI chipmaker rallies
• NVIDIA CEO Jensen Huang declares the $660B AI capex buildout “sustainable” for 7–8 years, lifting NVDA shares 8%
• OpenAI and Anthropic release rival flagship coding models within 15 minutes of each other in dramatic AI arms race escalation
• Claude Opus 4.6 discovers 500+ zero-day vulnerabilities in open-source code during pre-release testing
• Goldman Sachs reveals 6-month Anthropic partnership to automate banking operations with AI agents
• $1 trillion wiped from software stocks as AI disruption fears reach fever pitch

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💰 Big Tech AI Infrastructure & Market Shockwaves

Amazon Announces $200 Billion AI Infrastructure Spend — Stock Plunges 10%

Amazon revealed plans to invest $200 billion in AI and cloud infrastructure in 2026, smashing analyst expectations of approximately $150 billion by more than $50 billion. The announcement, made during Amazon’s Q4 2025 earnings report on February 5, sent shares tumbling as much as 10% on February 6, erasing roughly $240 billion in market capitalization.