Specialty retailer of casual apparel Gadzooks Inc on Tuesday reported a sharp fall in first quarter net income to $1.8 million, or 19 cents per share, from $2.4m, or 25 cents per share, in the year-ago period. The Dallas-based operator of 437 stores in 40 states net sales for the quarter increased 10.6 per cent to $78.3m from $70.8m a year ago. Same store sales for the 13-weeks slipped 2.2 per cent.