Tech giant Apple could be hit hard if Donald Trump decides to unleash trade tariffs on China after the firm revealed a shock drop in iPhone sales in the Chinese market. Apple reported its total revenue from the Far Eastern nation registered £14.3 billion for the last financial year, an 11% decrease from the previous year.

Sales of Apple iPhones dropped at the end of last year, as the tech firm's roll out of new artificial intelligence (AI) features was met with a lukewarm response. Chief executive Tim Cook said the new features helped to drive stronger sales in the countries where they were available, such as the US.

Apple reported fiscal first-quarter earnings Thursday. Analysts are focused on iPhone momentum following a sluggish start to the year for Apple's stock.

Key Takeaways More iPhones were upgraded during Apple’s fiscal first quarter than any previous period, CEO Tim Cook said on the company's earnings call Thursday. The milestone comes as Apple expands the availability of its AI features,