After yet another drop in the Shanghai stock market and Hang Seng index on August 6, Daniel Chang heard his cell phone ping.
The real-estate agent was on a business trip in Shanghai, and he was mid-bite during a dinner when he saw his phone light up from a message on his app, WeChat.
It was a Chinese client concerned over a $6 million property she was about to buy in New York City. She was visiting New York at the time.
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