The fine amounts to 4% of Alibaba's revenue in 2019.
Regulators say Alibaba restricted competition by stopping some sellers using other platforms.
It is the latest in a chain of events targeting the company that kicked off last October, just after its high-profile co-founder, Jack Ma, told a gathering of China's leading regulators that they were stifling innovation.
Jack Ma is well-known in China as one of the country's most successful entrepreneurs.
I think the stock may will offer next week a nice entry price (if you can hold volatility).
With another drop next week, is Alibaba a stock to buy?
