Shares gain, euro sags as weak data piles pressure on ECB

By Marc Jones LONDON (Reuters) - European shares extended their strongest run of the year on Tuesday and the euro touched its lowest in almost three years against the yen, as data from around the region bolstered the case for more ECB stimulus next week. Wall Street was expected to rebound 0.6 percent when it resumes, with a deluge of data to feed the debate on whether the Federal Reserve will be able to squeeze up U.S. interest rates any further this year. The Purchasing Managers' Index (PMI) d