It would also mean Apple would be worth 2.6 times as much as Google, the second most valuable company in the US, with a market valuation of $383bn. Cantor Fitzgerald analyst Brian White said he thought Apple was worth that much because of its continued strong performance in China, where sales are increasing by 70% year-on-year, and the introduction of the Apple Watch, its first new type of product in five years. Read more: http://www.theguardian.com/technology/2015/mar/23/apple-company-worth-1tn-market-value