Global stocks fall as U.S. earnings disappoint

By Caroline Valetkevitch LONDON (Reuters) - Global stock indexes fell on Tuesday following disappointing earnings results and weaker-than-expected U.S. durable goods orders, while the euro rose for a second day against the dollar. All three major U.S. stock indexes were down around 2 percent in early trading. Shares of Microsoft and Caterpillar weighed on U.S. stocks. Microsoft's results showed the main engine of its historic earnings power, selling Windows and Office software to big busine