Alibaba's U.S. shares dropped 4% in premarket trading Thursday after the Chinese tech giant posted net income that plummeted 75% in the June quarter.The company has been investing heavily in AI infrastructure. The spending has weighed on its results, with capital expenditure up 75% to 67.7 billion Chinese yuan. The jump in spending was due to uneven timing of customer purchases, an increase in CPU-compute capacity and higher prices across a broad range of chip components, the company said.Revenue at the tech giant's key cloud division totaled 48.4 billion yuan, up 45% year-on-year. Alibaba's cloud unit is seen as key to the company monetizing artificial intelligence, much like Microsoft or Google.U.S. listed shares were last trading down 4.11%.Stock Chart IconStock chart iconAlibaba's U.S. listed shares year-to-date.This is breaking news. Please refresh for updates.

Alibaba's U.S. shares dropped 4% in premarket trading Thursday after the Chinese tech giant posted net income that plummeted 75% in the June quarter.The company has been investing…

As businesses increasingly deploy artificial intelligence applications, demand for the cloud computing power needed to train and run those systems has surged, benefiting China's…