The London Stock Market closed lower on Tuesday, with the FTSE 100 index down 29.17 points, or 0.65 percent, at 4,477.02 points. Barclays dropped 13.5 percent after news that Abu Dhabi firm International Petroleum Investment Company had sold a major stake in the bank. Shares in retailers did well after Kingfisher reported better- than-expected first-quarter results. 