FTSE rises slightly thanks to mining stocks

(Reuters) - UK blue-chip stocks rose slightly on Friday, recouping the session's losses as mining stocks gave investors something to cheer about at the end of a largely dismal week that was underpinned by global economic growth concerns.The FTSE 100 gained 0.1 percent, while the FTSE 250 was roughly unchanged as the market wrapped up its final full week of trading in 2018. Wall Street lifted the mood, rising in volatile trade on Friday after heavy losses on the chances of a partial U.S. ..