Women's fashion chain Charlotte Russe Holding Inc on Thursday posted flat first quarter net income of $7.4 million and said total sales for the period climbed 19 per cent to $133.3m from $111.9m in the year-ago quarter. The California-based operator of 268 stores said weak mall traffic hit its earnings results and added same-store sales for the 13 weeks to December 28 slipped 3.6 per cent.