The Globe and Mail reports in its Friday edition that Apple shares on Thursday tumbled 10 per cent, part of a global rout of stocks that spared few companies, particularly in the technology sector. The Globe's Irene Galea and Sean Silcoff write that in recent years, Apple has looked to diversify the countries where its products are made to guard against what it considers its largest risk factors: global and regional economic conditions, and political events. But analysts say the company's efforts to hedge still leave it vulnerable. "Our quick math on Trump's tariff Liberation Day suggests that this could blow up Apple," said Barton Crockett, analyst at Rosenblatt Securities. "The magnitude of President Trump's tariffs, specifically to China, is worse than anything we could have imagined," said Angelo Zino, equity analyst at CFRA Research, in a note. Most of Apple's iPhones are still produced in China, but it now makes about a fifth of its phones in India, the majority of its smart watches in Vietnam, and a growing portion of its Mac computers in Malaysia. Substantially all of its manufacturing is done in whole or part by outsourced partners in Asia -- the region of the world hit hardest by Mr. Trump's tariffs.