Jack Ma's net worth falls after announcing departure

Affected by CEO Richard Liu Qiangdong's negative news recently, JD's stock price dropped 34.6 percent within this year with a company net worth at $39.96 billion. The net worth of chairman Liu also fell to $7 billion as of Sept 12, 2018, according to the Forbes Billionaire 2018 list.

Baidu remains the most stable competitor in stock price this year, with a mild 7.73 percent slump within the year. The company's net worth is $76.56 billion, and CEO Robin Li's net worth is $12.2 billion, dropping around $9 billion compared with the year's beginning.

According to the calculation of the 21st Century Business Herald, total net worth of Baidu's Robin Li, Alibaba's Jack Ma, Tencent's Pony Ma and JD's Richard Liu have shrunk $17 billion since the beginning of the year.