GLOBAL MARKETS-Shares fall on weak results; dollar ends worst month in 4 years

* Major U.S. indexes close more than 1 pct lower * Euro surges above $1.12 * 10-yr Treasury yields fall from nearly seven-week highs * Dollar posts worst month since April 2011 (Updates to close of U.S. trading) By Sam Forgione NEW YORK, April 30 (Reuters) - Stock markets worldwide posted a second straight session of losses on Thursday after more weak earnings reports, with all three major U.S. indexes plunging more than 1 percent. The dollar fell on Thursday, to close