Bolsa de Madrid all fixed-income assets are traded through SIBE. The Madrid Stock Exchange General Index (IGBM) is the exchange's principal index and represents the construction, financial services, communications, consumer, capital/intermediate goods, energy, and market services sectors. The IBEX 35 Index is a capitalization-weighted index comprising the 35 most liquid Spanish stocks traded in the continuous market, and is Bolsa de Madrid's benchmark. Bolsa de Madrid also offers the FTSE-Latibex Index, a European market for Latin American stocks. The Ibex New Market Index, for emerging companies, was offered from 2000 to 2007. Settlement is T + 3. Trading on SIBE is conducted from
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