After Wednesday's close, RIM announced that both revenue and earnings more than doubled in its first quarter. For the quarter ended May 31, earnings were US$482.5 million, or 84 cents a share, compared with earnings of US$223.2 million, or 39 cents a share, for the year-ago period. Revenue grew more than 100% to US$2.24 billion. RIM said it expects revenue of US$2.55 billion to US$2.65 billion with earnings per share between 84 cents and 89 cents for Q2.