Tech Roundup: Feb 7 (5 stories)

Here is your Daily summary for Technology across the world for Sat 7th February 2026

Nvidia's stock surged following a major announcement from big tech firms planning to invest $650 billion in AI infrastructure this year, highlighting the growing demand for AI technologies. Meanwhile, OpenAI's decision to retire its GPT-4o model has sparked backlash, revealing the emotional connections users formed with AI companions, raising ethical concerns about their impact on human relationships.

In a significant move, Elon Musk has merged SpaceX with xAI, potentially reshaping the power dynamics in Silicon Valley. This consolidation reflects Musk's immense influence, with his net worth nearing that of historic conglomerates. Additionally, Nvidia has received U.S. approval to sell its AI chips to China, a development fraught with geopolitical risks, as tensions rise over cybersecurity threats, exemplified by China's Salt Typhoon hackers targeting Norwegian companies.