21.   Continued concerns surrounding US corporate earnings would also heighten investor caution, despite the release of more positive economic figures, he added.

22.   Ed Neminski, a trader at Nomura Securities, said another factor influencing the market was investor caution ahead of the publication Friday of May unemployment figures.

23.   There was ongoing investor caution ahead of the start of congressional testimony by US Federal Reserve Board chairman Alan Greenspan, dealers said.