Shares surge on China's factory rebound, trade optimism

LONDON (Reuters) - Global stocks surged on Monday, extending gains from their best quarter since 2010, as strong Chinese factory activity data and signs of progress in U.S.-China trade negotiations gave investors reason to cheer.European stocks posted their best daily gains since mid-February, with the pan-European STOXX 600 index up 0.8 percent. Germany's trade-sensitive DAX outperformed with a 1 percent rise, helped by gains in auto maker stocks.MSCI's All-Country World Index, which tracks..