UK's main index sees seventh straight day of losses, BoE comments lift midcaps

(Reuters) - London's FTSE 100 saw its seventh day in the red on Friday, its longest losing streak since 2015, led lower by losses in pharmaceuticals after the U.S. White House scrapped a rebate rule, while the midcap bourse jumped on prospects of lower interest rates.The UK's blue-chip index edged 0.1% lower after trading in positive territory for most of the session as its more internationally-exposed constituents such as miners climbed on hopes of an interest rate cut by the U.S Federal..