The month of May marked the end of the UK's brief spell of negative inflation, but advisers and investors are being warned to beware the result.
The FTSE 100 has opened 0.5% lower, with European stocks deeper in the red, after Greece's bailout talks with creditors broke down overnight.
Some of the UK's largest asset management firms are preparing to quit their London bases if the country votes to leave the European Union, according to reports.
Bank of England governor Mark Carney has used the annual Mansion House speech to warn that asset managers must prepare for the consequences of normalising monetary conditions.
Schroders has expanded its range with the launch of an emerging markets multi-asset income fund.
HSBC has confirmed it is planning to cut up to 25,000 jobs, including up to 8,000 posts in the UK, to target annual savings of up to $5bn (£3.3.bn).
Tesco has said it "sincerely regrets" the accounting error which overstated profits by £263m and is forecasting volatile times ahead for the firm.
Four 'keep calm' reactions to falling prices
The S&P reached a further record high at closing yesterday, as disappointing economic data coming out of the US alleviated fears of an interest rate rise in the near future.
Richard Woolnough, manager of the £24bn M&G Optimal Income fund, says he is at a loss to understand why the US is holding off on raising interest rates.