NewMarket Technology, Inc. Hosts Emerging and Frontier Market Seminar With Expert Panelists on Brazil, China and Africa to Include Joseph Wambia Formerly of the World Bank DALLAS, TX--(Marketwire - December 19, 2007) - NewMarket Technology, Inc. (OTCBB: NMKT) announced today the company will host an Emerging and Frontier Market Seminar Friday, January 18, 2008, from...