LONDON - The dollar climbed against the euro and the yen on Tuesday in thin volatile trade exacerbated by nervousness among investors ahead of the September 11 anniversary and technical problems at news provider . Lack of liquidity left the market prey to erratic moves, pushing the euro down half a cent to around $0.9760 Dealers said with volumes down, relatively active buying from a U.S. investment bank was enough to push the dollar up. "Markets are very thin ahead of the September 11 anniversary. was down this morning, which is taking liquidity out of the market and exacerbating movements," said a trader at a London-based bank. //www.money.iwon.com