The Wall Street Journal China Detains Two Activists, Adding to Tension With Washington — The arrests of a citizen journalist and an artist are drawing criticism from U.S. lawmakers and human-rights groups. Chinese Brokerages to Merge, Creating a $228 Billion Entity — Efforts to consolidate China’s financial-services sector took a big step forward as two of the country’s largest state-backed brokerages agreed to combine to create a giant with about $228 billion in assets. Jean P