Investors worried about an uncertain economic outlook. Conch Cement shed 3.44 percent to 18.44 yuan (US$2.97). nike shox Chinas business jet sector is forecast to rise more than 10-fold to 2,590 jets in 2031, from 210 in 2011, according to Bombardier, a leading general aviation manufacturer. http://www.princesadasbaterias.com.br/site.asp?abercrombie-brasil/ The profits of 648 companies, or 45.17 percent of the total, dropped, the data showed.