The composite index of the Indonesia Stock Exchange (IDX) dropped 2.39% to close at 4336 on Friday last week (August 21) on China factor. China’s SSE also dropped 4.27%. World stock markets tumbled towards their worst week of the year on Friday and commodities got another kicking, as more alarming data from China sent investors scurrying to the safety of bonds and gold, Reuters reported.To subscribe please click here