Economy of Mexico banks”, bonded warehouses, bonding companies and foreign-exchange firms. A wave of acquisitions has left Mexico's financial sector in foreign hands. Their foreign-run affiliates compete with independent financial firms operating as commercial banks, brokerage and securities houses, insurance companies, retirement-fund administrators, mutual funds, and leasing companies. Mexico has a single securities market, the Mexican Stock Exchange (Bolsa Mexicana de Valores, known as the Bolsa). The market has grown steadily, with its main indices increasing by more than 600% in the last decade. It is Latin America's second largest exchange, after Brazil's. The total value of the domestic market capitalization of the
Dioscorea mexicana Dioscorea mexicana Dioscorea mexicana, Mexican yam or cabeza de negro is a species of yam in the genus "Dioscorea". "Dioscorea mexicana" is a caudiciform dioscorea having either a partly to completely above-ground dome-shaped caudex with a thick, woody outer layer up to 3 feet (90 cm) in diameter and 8–10 inches (20 to 25 cm) in height. The caudex of "D. mexicana" is divided into regular polygonal plates that become protuberant with age, and separated by deep fissures. The vigorous annual vines which may reach 30 feet (9 m) long before dying back in winter, that grow up from the