The recovery of US shares and oil yesterday provided short-lived. Asian shares were dragged lower with the help of Chinese equities. The 3.5% fall in the Shanghai Composite today brings the year-to-date decline to a little more than 18%. Taiwan, which goes to the polls this weekend, and the opposition that has been critical of the government's pro-China policy, is ahead, bucked the trend to post minor gains. European shares are also moving....