Alibaba shares jumped about 5% on Tuesday after the Chinese technology giant unveiled the Zhenwu V900, a homegrown AI accelerator it says runs three times faster than its predecessor and ranks as the most powerful chip of its kind in China.
The company's Hong Kong-listed stock rose 5.1% to its highest level in a month, a rebound for a share that had sagged in recent weeks on worries about heavy spending and dilution.
