The FTSE Small Cap index ends the session 1.7 percent lower, with the FTSE AIM All Share index down 1.1 percent, and the midcaps off 2.1 percent.
Mobile computing solutions firm Belgravium Technologies drops 9 percent, among the top fallers on the AIM index, as it confirms 2013 is expected to be challenging after a slow start to the year which has seen order intake and sales revenue come in lower than expected.
AIM-listed ZincOx Resources, meanwhile, climbs 20 percent after it says Executive Chairman Andrew Woollett has raised his stake in the company to 3.65 percent.
Reuters messaging rm://tricia.wright1.thomsonreuters.com@reuters.net
