A man walks past the HSBC headquarters in Central, the business district of Hong Kong Thursday, Sept. 17, 2009. European and Asian stock markets extended the week's rally on Thursday, hitting new highs for the year, as investors became increasingly confident that the U.S. economy, the world's largest, is growing again. Hong Kong's Hang Seng gained 1.7 percent to 21,768.51 and China's Shanghai benchmark rose 2 percent to 3,060.26.