On the same day, the US State Department and Congress took aim at China, even as President Donald Trump hailed "goodwill" between Washington and Beijing and said he expected to sign the first phase of a trade deal with President Xi Jinping next month.
China said it would remove business restrictions on foreign banks, brokerages and fund management firms, though market reaction was muted as the move could have limited impact on the competitive landscape of an industry dominated by China's state firms.
So far this year, the Shanghai stock index is up 19.4% and the CSI300 has risen 30.4%, while China's H-share index listed in Hong Kong is up 4.3%. Shanghai stocks have risen 2.48% this month.
About 12.25 billion shares were traded on the Shanghai exchange, roughly 66.0% of the market's 30-day moving average of 18.56 billion shares a day. The volume in the previous trading session was 14.99 billion.