World’s richest got richer in 2014

The net worth of the world’s 400 wealthiest billionaires stood at $4.1tn at the beginning of this week, according to Bloomberg.
The biggest gainer was Jack Ma, the co-founder of Alibaba Group Holding, China’s largest e-commerce company. Ma, a former English teacher who started the Hangzhou-based company in his apartment in 1999, added $25.1bn to his fortune, riding a 56% surge in the company’s shares since its September initial public offering. Ma, 50, with a $28.7bn fortune, briefly passed Li Ka-shing as Asia’s richest person.