The FTSE 100 fell 0.5% on Thursday, retreating from multi-week highs and ending its longest winning streak since late May after a six-session advance. Falling Brent crude, down 0.5% toward $87.40 a barrel, pressured London energy heavyweights Shell PLC and BP PLC. Oil prices extended their decline as diplomatic talks between Qatari and Iranian officials in Tehran raised expectations of an agreement to reopen commercial transit through the Strait of Hormuz. Prudential PLC slipped 1.2% despite reporting an 8% rise in first-half new business profit to $1.38 billion. Separately, British vehicle production fell 11.6% year-on-year in July to 63,655 units, with the Society of Motor Manufacturers and Traders citing a 15.9% export decline and earlier-than-usual summer maintenance shutdowns. Industrial miners found support from a seventh consecutive daily rise in zinc prices and firmer copper markets. Investors were also watching Federal Reserve Chair Kevin Warsh’s inaugural keynote at the Jackson Hole Economic Policy Symposium on Friday for signals on global borrowing costs and systemic liquidity into autumn.