Bolsa Institucional de Valores Bolsa Institucional de Valores The Institutional Stock Exchange (), commonly known as BIVA, is Mexico's second stock exchange, based in Mexico City. BIVA began operations on 25 July 2018 and trades the same instruments as the other exchange in Mexico, the Bolsa Mexicana de Valores: equities, debts, warrants and some Mexican-specific instruments such as CKDs and FIBRAs. On 29 August 2017, President Enrique Peña Nieto presented Santiago Urquiza Luna Parra, president of BIVA's parent company Cencor, with the concession to open and operate a new stock exchange in Mexico, the Bolsa Institucional de Valores (BIVA). The concession itself was published
Dioscorea mexicana caudex, bear heart-shaped leaves. "Dioscorea mexicana" ranges from the state of San Luis Potosí in northeastern Mexico south to Panama. It is notable for its production of diosgenin, which is a precursor for the synthesis of hormones such as progesterone. Russell Marker developed the extraction and manufacture of hormones from "D. mexicana" at Syntex. Later the Mexican barbasco trade focused instead on "Dioscorea composita" instead, as this variety has a higher diosgenin content. 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