Alibaba founder Jack Ma has emerged after weeks out of the spotlight that sparked speculation about his whereabouts as his companies face increased regulatory scrutiny.In a video posted on Chinese social media, Ma addressed rural teachers as part of one his charity foundation’s initiatives. The annual event, which is usually hosted in the resort city of Sanya, sees the Jack Ma Foundation celebrate the achievements of rural teachers who are awarded cash support.In October, Ma made some comments that appeared critical of China’s financial regulator. It was one of the reasons attributed to China’s regulators pulling the plug on what would have been a record-setting initial public offering of Ant Group, the financial technology giant Ma founded.Since those comments, Ma had. not been seen leading to speculation he had gone missing. But a source told CNBC this month that he was just laying low.This is a breaking news story. Please check back for more.