Banks push FTSE 100 lower; IWG shines

(Reuters) - London's FTSE 100 dipped on Tuesday, as investors returning from a holiday-extended weekend overlooked U.S. President Donald Trump's softer stance on China, while office space provider IWG scaled a life-time high after reports of U.S. listing plans.The FTSE 100 was 0.5% lower by 0820 GMT, starting off yet another week on the back foot after suffering declines for four consecutive weeks. If losses hold, the index is set for its worst monthly performance in more than seven years.The..