People look at an electronic board showing stock information at a brokerage house in Changchun, Jilin province March 13, 2008. China's main stock index closed below 4,000 points for the first time in seven months on Thursday, sinking 2.43 percent on concern about inflation, slower export growth and a large supply of new shares. REUTERS/China Daily (CHINA). CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA..