Merck tops forecasts after research budget trimmed Stock Market PredictionsNEW YORK (Global Markets) - Merck & Co (MRK.N) reported higher-than-expected quarterly earnings, helped by trimming its research spending and strong sales of its drugs for diabetes, asthma and rheumatoid arthritis. The second-largest U.S. drugmaker, whose shares were 0.3 percent higher, also slightly raised the lower end of its 2011 earnings forecast."Overall, we are pleased with today's results, particularly coming off a difficult fourth quarter when the company withdrew...