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The FTSE Small Caps index is down 0.1 percent by around midday,outpeforming bigger declines of 0.8 percent on the blue-chip FTSE 100 and 0.6 percent on the FTSE 250 mid-cap index.
E-commerce and consumer technology company Expansys slumps 35.4percent after the company issues a profit warning, stating that trading in thesecond-half of the year has been below its expectations.
APR Energy, which makes turbines and diesel generators, also falls2.9 percent - having at one stage fallen as much as 7 percent - after itforecasts a slow first quarter.
"We remain negative on the shares as we believe APR's business profile isless attractive than peer Aggreko, our preferred play in this sector,"Cantor Fitzgerald analyst Caroline de La Soujeole writes in a research note.
ServicePower rises 6.7 percent after stating it has made a positivestart to 2013, despite posting a pre-tax loss of 1.8 million pounds ($2.7million) for 2012.
"During the past 12 months, the group has significantly expanded itsoperational platform, product offering and contract base," Finncap analyst MarkPaddon writes in a research note.
Reuters messaging rm://sudip.kargupta.thomsonreuters.com@reuters.net
($1 = 0.6608 British pounds)
