The content originally appeared on: CNN The reading, up from 9% in April, matched the consensus of a Reuters poll of economists. Historical records from the Office for National Statistics show May's inflation was the highest since March 1982 - and worse is likely to come. Sterling, one of the worst performing currencies against the US dollar this year, fell below $1.22, down 0.6% on the day. Some investors judge Britain to be at risk of both persistently high inflation […]