Onex to buy Nielsen Holdings' expositions business for $950 million

(Reuters) - Canadian private equity firm Onex Corp said it would buy market research company Nielsen Holdings NV's expositions business for $950 million in cash. Nielsen Expositions produces more than 65 business-to-business trade shows and conferences in the United States every year. "Divesting the expositions business allows us to focus on these core areas that provide our clients with a ...