U.K. stocks advanced on Friday, set to break a two-day losing streak, as the pound selloff resumed on signs Brexit discussions between Brussels and London are close to a painful breakdown. Traders reacted little to data confirming the U.K. economy expanded at its slowest pace in five years in the first quarter. What are markets doing? The FTSE 100 index UKX, +0.22% gained 0.3% to 7,739.78, trimming its weekly loss to 0.4%. The London benchmark has moved sharply lower over the last two days on increasing concerns about trade talks between the U.S. and China, and on worries over President Donald Trump’s decision to pull out of a historic summitwith North Korea. The pound GBPUSD, -0.2018% fell to $1.3355, from $1.3379 late Thursday in New York. Sterling touched a fresh 2018 low earlier this week wound $1.3305.via