The president's comment came in response to questions about Brett Kavanaugh, but he did not go into detail about who he was referring to or what the situation was.
Jack Ma, a billionaire pioneer of China's internet industry, will step down as Alibaba's executive chairman next year to make way for the company's next generation of leaders.
Alibaba CEO Daniel Zhang will inherit the role of chairman next year from Jack Ma, the flamboyant Chinese entrepreneur who built the $420 billion internet business from scratch.