Why did Trump threaten 50% tariffs on EU goods? How will Apple be affected by proposed iPhone tariffs? Why is Harvard suing the Trump administration? What impact will Trump's tax bill have on markets? How did Nvidia’s AI chip sales influence its stock? Why is Booz Allen cutting thousands of jobs? How will ending penny production affect businesses? What caused Deckers Outdoor's stock to plunge? Why are Canadian retail sales rising despite trade tensions?