UK small caps rise 0.2 percent, outperforming a flat blue-chip index but slightly lagging mid-caps, up 0.3 percent.
Shares in Ocean Wilsons Holdings rise 0.8 percent as the majority-owner of Wilsons Sons, a maritime conglomerate operating in Brazil, reports growth in its full-year net profit margin.
"(These are) solid earnings in a tough trading environment and with a depreciating Brazilian Real," Cantor Fitzgerald writes in a note.
Cellular material technology Zotefoams (LSE: ZTF.L - news) falls 9.5 percent after saying in a trading update that it has seen a more subdued level of sales in the first four months of 2013 than in the same period last year.
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