Chinese microblogging leader Sina (SINA +4%) is among the gainers, and so are fellow social networking plays YY (YY +3.2%) and Renren (RENN +9.7%). But several other names are also taking part in the rally: BIDU +2%. NQ +2.7%. CYOU +6.9%. DANG +4.1%. SOHU +5.4%. SFUN +5.8%. AMAP +3.4%. QIHU +2%.
Twitter mentioned in its S-1 78% of the 218.3M monthly active users it had at the end of Q2 were outside the U.S. But few of them are in China, where its services (like Facebook's) are generally blocked.