Quiksilver Inc.

The Costa Mesa sportswear and snowboard equipment company said second-quarter net income rose 76% to $9.7 million, or 41 cents a share, from $5.5 million, or 25 cents a share, for the second quarter of fiscal 1998. Sales for the quarter ended April 30 increased 64% to $128.1 million from $78.2 million. Despite the hefty gains, the company’s stock dropped $2.69 a share to $26.25.