Leading casual apparel designer and producer, Quiksilver Inc, on Thursday posted a slight fall in second quarter net income to $13.4 million and said net sales climbed 10.6 per cent to $186 million from the year-ago period. The California-based company, whose labels include Quiksilver, Roxy, Raisins and Radio Fiji, said European sales jumped 29.3 per cent to $74.8m but domestic sales remained flat at $111.2m.