https://www.cnbc.com/2019/01/02/tim-cooks-letter-warns-of-potential-impacts-from-us-china-trade-war.html

Apple slashed its revenue forecast on Wednesday amid trade tensions between the U.S. and China, but it's not the first company to signal trade impacts.

In a letter to investors, Apple CEO Tim Cook said the company saw lower-than-expected sales primarily in China. Cook told CNBC's Josh Lipton that the trade dispute with the U.S. is exacerbating economic issues in China.