Why is Nvidia calling US chip controls a failure? How will Trump's tariffs impact Walmart and consumers? Why is Elon Musk reducing his political spending? What caused UK inflation to spike recently? How did Tesla's robotaxi launch affect its stock? What risks does Trump's tax bill pose to debt? Why did Marks & Spencer report large cyberattack losses? How are trade tensions affecting Japan's exports? What does the SALT deduction deal mean for taxpayers?