Sina and Tencent Holdings Ltd.

WSJ: Beijing Orders Microbloggers to Register

In China, app makers face competition from local apps built by companies like Tencent Holdings Ltd. and Sina Corp.

WSJ: For App Makers, China Is Untapped and Untamed

Chinese social media companies, including Sina, Renren and Tencent Holdings Ltd.

WSJ: Facebook IPO Puts Spotlight on China

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

Among the largest underlying components of GXC, in trading today NetEase, Inc ( NASD: NTES) is down about 0.1%, Mindray Medical International Ltd ( NYSE: MR) is off about 6.3%, and Sina Corp ( NASD: SINA) is lower by about 1.4%.

FORBES: GXC, NTES, MR, SINA: Large Outflows Detected at ETF

The China division of auditing and consulting company Deloitte Touche Tohmatsu Ltd. last September offered a "virtual office tour" on its career page on Sina Corp.

WSJ: In China, Recruiting Gets Social