UK stocks climb Wall Street ladder

(Reuters) - British stocks opened higher on Thursday, in line with most equity markets after Wall Street bounced back dramatically after upbeat U.S. data and the Trump administration's effort to shore up confidence helped ease concerns about an economic slowdown. The FTSE 100 added 0.2 percent after initially rising as much as 0.6 percent, while the FTSE 250 mid-cap index gained 0.7 percent by 0820 GMT, sparking small hopes of a late Santa rally that has eluded investors all month.The Dow..