↑ Breaking News: Markets Nvidia shares are down 2% after a report that its OpenAI investment stalled. Here's what's happening - Nvidia's Jensen Huang criticized OpenAI's business strategy as the chip giant plans to invest up to $100 billion into the AI startup, per reports. South Korea stocks fall more than 4%, triggering temporary halt in trading - Asia-Pacific markets saw a mixed trading session as investors assessed China's factory activity for January.European stocks set for sharp declines as global market fears are reignited - European stocks are expected to open in negative territory as concerns over cryptocurrencies, precious metals and artificial intelligence haunt global markets.Bitcoin dips below $78,000 as market digests silver sell-off, Trump's Fed chair pick - Bitcoin and Ethereum plunged following wide swings in the commodities market.Here is what caused the wild swings in our 34-stock portfolio last week - The S&P 500 closed lower Friday after briefly topping 7,000 for the first time ever Wednesday.American Express challenges Apple for No. 1 slot in Berkshire's portfolio - A combination of big Apple stock sales and steady gains for the share price of American Express has put the credit card company within a few billion dollars of becoming the most valuable holding in Berkshire Hathaway's equity portfolio.GameStop's Ryan Cohen eyes 'very big' consumer megadeal that could increase company's value tenfold - Ryan Cohen wouldn't say whether he would sell GameStop's bitcoin to try to pull off a major acquisition.Sen. Tillis will oppose Trump Fed chair pick Warsh until Powell probe resolved - PoliticsSen. Tillis will oppose Trump Fed chair pick Warsh until Powell probe resolvedPublished Fri, Jan 30 20268:21 AM ESTUpdated Moments AgoDan Mangan@_DanManChevron earnings beat as production hits record with upside expected in Venezuela - The oil giant beat expectations despite a bearish market for crude, which logged its biggest annual price decline since 2020. Silver plummets 15%, gold falls 7% — dragging down miners and ETFs - Gold and silver prices plunged on Friday, following weeks of gains as investors poured money into safe havens.