Tech News Today Dec 25 2024: Apple’s $4 Trillion Valuation, AI Risks, D 8400, Oppo Reno 13 Series, Xiaomi 15 Ultra, Redmi Turbo 4 Pro, Poco F7 7000mAh, Nothing Phone 3a launch, Elon Musk’s Grok AI

Welcome to Tech News Today Dec 25 2024: Today's Tech News covers major updates, including Apple's near $4 trillion market…