A Chinese stock investor monitors share prices at a securities firm in Fuyang, in China's Anhui province on June 19, 2015.  Shanghai shares plunged 6.42 percent on June 19, ending a torrid week as the benchmark index was hit by tight liquidity and profit-taking after a powerful surge over the past year.       CHINA OUT      AFP PHOTO        (Photo credit should read STR/AFP/Getty Images)