GLOBAL MARKETS-Shares fall on weak results, dollar pares losses

* Shares worldwide set for second session of losses * Euro surges above $1.12 * Bond yields climb again after spiking on Wednesday * Dollar pares losses after hitting nine-week lows (Updates to open of U.S. trading, changes byline, dateline, previous LONDON) By Sam Forgione NEW YORK, April 30 (Reuters) - Stock markets worldwide stumbled for a second straight day on Thursday after more weak earnings reports, while the dollar trimmed losses after hitting fresh nine-week lows.