 A business tycoon in Vietnam has gone on trial charged with conspiring to defraud investors of $146 million by manipulating the stock market. Trinh Van Kueat owned a multi-billion dollar conglomerate of businesses, including luxury resorts and a budget airline. It's the latest high-profile corruption case involving Vietnam's business elite and comes just days after the death of the country's Communist Party leader who began the crackdown. BBC News.