By Amal S and Boleslaw Lasocki (Reuters) -Britain’s top share index inched lower on Wednesday, as gains in healthcare shares were seen providing little support against growing concerns about a global recession. After falling as much as 0.8%, the blue-chip FTSE 100 index recouped some losses to close 0.2% lower in choppy trading. The index touched a two-week high in the previous session. “The FTSE is indicative of the markets at the moment – nobody knows what to do and there is no real conviction behind trading,” said Stuart Cole, head macro economist at Equiti Capital. “We all know inflation i…