In fact, the two companies that started the weibo craze, Sina Corporation and Tencent Holdings now count eight times more users than Twitter worldwide.

FORBES: Tech Savvy and Innovative

Similar to what Americans do at Amazon.com (AMZN), Chinese consumers are buying everything from Jin Yong novels to Lenovo laptops on sites like E-Commerce Dandang (DANG) and SINA Corporation (SINA).

FORBES: Where The Chinese Are Shopping

Sina Corporation of China (SINA) rose 3.99 percent.

FORBES: Fed QE Doesn't Change Fundamentals In Big Four Emerging Markets

Among the largest underlying components of GXC, in trading today Baidu ( NASD: BIDU) is off about 1.5%, Ctrip.com International Ltd ( NASD: CTRP) is down about 1%, and Sina Corporation ( NASD: SINA) is lower by about 1.1%.

FORBES: GXC, BIDU, CTRP, SINA: ETF Outflow Alert