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Investors watch the electronic board at a stock exchange hall on June 24, 2013 in Huaibei, China. - 

China's GDP growth slowed in the second quarter to 7.5 percent -- its weakest pace since 1991. Chen Liu, deputy director of the Economist Intelligence Unit in Beijing, joins Marketplace Morning Report host David Brancaccio to discuss.

Follow David Brancaccio at @DavidBrancaccio