Markets keep the faith – but oil staying above $100 could test that optimism | Nils Pratley

FTSE 100’s modest retreat suggests investors underestimating inflationary impact if energy prices remain elevated Was it only at the new year that the fanfare was heard for the FTSE 100 index breaking through 10,000 for the first time ? It was – on 2 January – and the index then added another 900 points by the end of February. On Thursday, the Footsie briefly fell below that round number as Iran struck Qatar’s enormous Ras Laffan complex , which normally supplies a fifth of the world’s liquefied natural gas, before closing at 10,063, down 2.