GLOBAL MARKETS-Shares down on weak earnings; U.S. Treasuries up

*Wall St hit by earnings; Apple shares off more than 2 pct. Although data showed a pick-up in U.S. economic growth in the third quarter, gloomy earnings and outlook statements from major global companies such as Apple and Amazon, South Korea's Samsung and Renault and Ericsson in Europe corroded hopes of a recovery in the global economy.