Leading plus-size women's clothing retailer Charming Shoppes Inc has backed its 2002 earnings outlook and forecast an 80-90 per cent increase in fiscal 2003 earnings per share. The company said on Wednesday its projections for the 2003 fiscal year include sales revenue of $2.45 billion, same-store sales up by low single-digit percentages, and earnings per share between 34 cents and 36 cents.