Top Tech News Today, July 28, 2026: Amazon, AMD, Google, Microsoft, Nvidia, OpenAI, Origin Energy, Verizon & More

Source Summary

It’s Tuesday, July 28, 2026, and the tech world just shifted under our feet. In the past 24 hours, a Chinese lab dropped the largest open-weight AI model ever released, Microsoft fielded specialized cyber agents to fight AI-powered attacks, Nvidia poured billions into a secretive superintelligence lab, and hyperscalers locked in multi-billion-dollar data-center and fiber