Alibaba Stock Just Had Its Best Day in Four Years. Why It’s Rising Again.

Shares of Alibaba conscionable notched their champion time since June 2017, arsenic markets smiled connected a restructuring astatine the Chinese e-commerce giant. The shares were poised to emergence again Tuesday.

U.S.-listed banal of Alibaba (ticker: BABA) jumped 10.4% Monday, the biggest one-day emergence since June 8, 2017—when it roseate 13.3%—and the banal had surged a further 5.3% successful premarket trading Tuesday. Alibaba’s Hong Kong-listed shares (9988.H.K.) soared 12.2% successful Asian trading.

The...