Emerging-market stocks fell for the first time in four days as Chinese shares retreated and investors weighed the timing of U.S. interest-rate increases. Russia’s ruble weakened with oil. China’s Shanghai Composite Index slid 1.2 percent before Wednesday’s economic growth data. Samsung Electronics Co. sank to a seven-month low in Seoul, leading technology stocks lower. South Africa’s Sasol Ltd. paced losses for energy companies. The ruble dropped 0.8 percent versus the dollar as Brent crude tumbled 1.7 percent after Iran and world powers were said to have reached a nuclear deal . South Korea’s won fell 1 percent. The MSCI Emerging Markets Index lost 0.5 percent to 938.64 at 9:05 a.m. in London. As Greece’s parliament convenes Wednesday to vote on a bailout package, attention is shifting to the Federal Reserve as it mulls its first interest-rate increase since 2006. U.S. retail sales data are due Tuesday, while Fed Chair […]