London's FTSE 100 edges higher.

Britain's FTSE 100 inched up on Friday and was set for a fourth straight weekly gain, boosted by shares of pharmaceuticals and consumer staple firms, while miners tracked copper prices higher. The blue-chip FTSE 100 edged up 0.2 percent, while the mid-cap FTSE 250 added 0.9 percent as of 0816 GMT. Healthcare stocks added 0.9 percent, with Dechra, jumping 36.2...