DealBook: Shares of Twitter-Like Weibo Surge on Opening Day, as China I.P.O.s Mount

The rise in shares in both Weibo, a Chinese microblogging service, and Sabre, a technology services provider, came after they scaled back the sizes of their offerings.



Crackdown on Bloggers Is Mounted by China

Hundreds of microblog users across the country have been arrested for what Communist Party officials call malicious rumor-mongering online.

    



China’s Social Media Fuel Citizen Quake Response

The rapid grass-roots response to the April earthquake in Sichuan Province reveals how far China’s nascent civil society movement has come since a major quake in 2008.