The World's Billionaires behind China, Germany and India by the number of billionaires. Self-made billionaires made up the largest number of people on the list with 1,191 positions (over 65 percent) while just 230 (under 13 percent) have wealth through inheritance. The number of billionaires who inherited a portion but are still working to increase their fortunes is 405. Bill Gates was named the richest man in the world by "Forbes"<nowiki>'</nowiki>s annual list of the world's billionaires. This was the 16th time that the founder of Microsoft claimed the top spot. Carlos Slim came in second for the second consecutive time. Warren Buffett
Grupo Aeroportuario Centro Norte Grupo Aeroportuario Centro Norte Grupo Aeroportuario Centro Norte, S.A.B. de C.V., known as OMA, is a Mexican airport operator headquartered in San Pedro, near Monterrey, Mexico. It operates 13 airports in the central and northern states of Mexico, including that of Monterrey, one of Mexico´s largest cities. It is the fourth largest airport services company by passenger traffic in Mexico. It serves approximately 15 million passengers annually. OMA is listed on the Mexican Stock Exchange and in the NASDAQ through ADRs since 2006. In June 2015, OMA announced it had engaged UBS as market maker to promote the liquidity and