British equities declined Friday due to renewed US, EU trade tensions, despite positive UK economic data and a strong pound. While the FTSE 100 managed a weekly gain, mid-caps fell. Retailers faced insurance cost hikes, but miners benefited from rising gold prices.

• Trump's tariffs overshadowed UK economic improvements.
• Strong pound pressured export heavy FTSE 100.
• Miners gained while Marks & Spencer and Games Workshop fell.