Central America's three major stock markets closed mixed on Thursday. The Panamanian stock market's BVPSI index closed flat at 254.50 points, with a trade volume of 2.205 million U.S. dollars. In Costa Rica, which has Central America's biggest bourse, the leading BNV index finished at 5,078.81 points, down 0.01 percent. The trade volume was 142.921 million dollars. El Salvador's stock market closed with the IBES index up 0.03 percent at 202.45 points, with a trade volume of 11.202 million dollars. 