(Bloomberg) -- China tech bulls expect meme-stock icon Ryan Cohen’s foray into Alibaba Group Holding Ltd. to add impetus to the stock, which has increased more than $140 billion in market value in the latest turnaround.Most Read from BloombergChina’s Population Shrinks for First Time Since 1960s in Seismic ShiftChief Executives, Economists Brace for Recession as Davos BeginsEuropean Stocks Rise as US Futures Signal Caution: Markets WrapItaly’s Most-Wanted Mafia Boss Arrested After 30 YearsMicros