China’s richest wife Yang Huiyan added $6.1 billion to her wealth in only seven days of market trading, trailing only Amazon.com Inc.’s Jeff Bezos in developing her fate this year.

Yang, the controlling shareholder of Country Garden Holdings Co ., find her wealth upsurge to $29.7 billion as of Jan. 10 as shares of her real estate company rose, according to the Bloomberg Billionaires Index. Bezos added $6.6 billion this year to bring his fortune close to $106 billion, the data show.

China’s real estate boom has filled the coffers of some of the nation’s biggest tycoons in recent years, including Hui Ka Yan, the chairman of developer China Evergrande Group, and Wang Jianlin, who leads Dalian Wanda Group Co. Yang is quickly closing the gap with Evergrande’s Hui, whose wealth is estimated at $39.3 billion, and has overtaken Wang’s $ 28.7 billion to rank as the fourth-richest individual in China.

Country Garden’s shares rose 24 percent this year through Jan. 10, before paring some gains on Thursday. The shares have more than quadrupled in the past time, amid eye-popping gains for big Chinese developers.

The 36 -year-old Yang is China’s youngest billionaire, in agreement with the Bloomberg Billionaires Index. In 2005, her father Yang Guoqiang transferred his controlling stake to her” due to his intention to qualify Yang Huiyan as the successor of his family’s interest” in the group, Country Garden said in its 2007 initial public offering prospectus.