Jack Ma Praises Alibaba Restructuring Efforts, Boosting Stock Price

• Alibaba co-founder Jack Ma penned a lengthy internal memo expressing support for the company's restructuring efforts and leadership.

• The memo comes a year after Alibaba announced splitting into 6 units, its biggest shake-up in 25 years.

• Ma said the restructuring has helped decision-making and made Alibaba more agile and customer-focused.

• He admitted Alibaba has made mistakes in the past that need correcting.

• The positive memo led to a 5% surge in Alibaba's stock price in Hong Kong.