Apple sales have been struggling in China–iPhone revenue slumped 25% there in the fourth quarter–as the trade wars between the two biggest economies heated up.

Shares of Chinese e-commerce giant Alibaba rose in premarket trade after reports it’s partnering with Apple to roll out artificial-intelligence features for phones sold in China.

Hong Kong-listed shares hit a four-month high on Wednesday, surging over 8% to HK$113.90, after reports of a strategic AI partnership with Apple Inc. (NASDAQ:AAPL). Apple