Overview: Neither optimistic comments from Federal Reserve Chairman, that the economic glass is more than half full, nor a seemingly positive spin on the weekend fall calendar between Chinese and US officials have succeeded in deterring some profit-taking today. Most of the large markets in the Asia Pacific region were higher, with the notable exception Hong Kong, which began higher and reversed lower, South Korea, and India. Europe's Dow Jones Stoxx 600 is little changed near the 4.5-year high set a week ago, and US shares are trading a little heavier. Global 10-year benchmarks are