Preppy clothing seller J. Crew ( JCG) reported an 8.5% jump in holiday period same-store sales and backed its full-year profit forecast. Still, the stock slid 6% after the retailer's majority owner laid out plans to offer an additional 7.5 million shares to the public. In a Securities and Exchange Commission filing Wednesday, J. Crew said its total revenue for November and December increased 19% to $291.1 million from $244.7 million. The company reiterated its November forecast for full-year earnings of 95 cents to 96 cents a share. Analysts polled by Thomson First Call have an average estimate for earnings of 98 cents a share. J. Crew also said it is comfortable with analysts' estimates for earnings of $1.21 a share for the next fiscal year. The filing came in conjunction with a registration statement for the sale of 7.5 million shares by Texas Pacific Group, the private equity firm that took J. Crew public last June. The stock sale will cut Texas Pacific's stake in the company to 24% from its current 36%. J. Crew won't receive any proceeds from the offering. Shares of J. Crew recently changed hands at $35.58, down $2.19. The company represented one of the most successful IPOs of last year, soaring from its offering price of $20.