InvestmentsTop Global NewsMarketsReal Estate Tesla’s Musk, Alibaba’s Ma talk aliens and AI, skip issues like trade By financialnews_rlv83x - August 29, 2019 0 312 Tesla CEO Elon Musk and Alibaba founder Jack Ma discussed Mars and artificial intelligence but steered clear of the U.S.-China trade war in their first joint appearance on Thursday that some audience members said was disappointing.