In this piece, we will discuss the 15 Best AI Stocks to Watch in December 2025.Amid rising valuations, increased capital spending, and cautionary signals from global investors and policymakers, the AI sector continues to draw attention. The intense competition that is shaping the sector was highlighted by Bill Gates, who spoke at Abu Dhabi Finance Week on November 8, 2025. He warned that not all companies with high valuations will end up as winners, even though he regards AI as “a deeply profound technology ...