Trump weighs in

Donald Trump weighs in on China GDP. Facebook won’t launch Libra until regulators are satisfied. And a former U.S. National Security Advisor spars with a Chinese diplomat on Twitter over race. Here are some of the things people in markets are talking about today.

The U.S. president again asserted that Beijing wants to make a deal on trade, pointing to China's slower growth in the second quarter, the weakest since regular data began in 1992. The president tweeted that this shows firms are leaving for non-tariffed countries. Treasury Secretary Steven Mnuchin said he and Trade Representative Robert Lighthizer expect to speak by phone with Chinese officials this week about negotiations. Economic adviser Larry Kudlow hinted that agricultural purchases would help talks advance.