Chuck Zodda and Mike Armstrong recap the wild week that was in markets. Inflation worsened in December. What does that mean for rate cuts? Implemented or not, Trump's 25% tariff threat is challenging the auto industry. Apple gains on forecast following mixed holiday-quarter results. Is Apple's weakness in China being underplayed? Strategist who coined the Magnificent Seven warns US tech is set to lag. Is Wall Street ready to stay up all night?