Google Internet business defies econ worries, ad clicks surge

SAN FRANCISCO (Reuters) - Google Inc's core Internet business increased revenue by 21 percent in the second quarter, easing Wall Street worries that a slumping global economy would take a toll on the company's online advertising. Shares of the world's No.1 search engine were up about 3 percent in after hours trade. Google, which reported its first set of quarterly results since its May ...