May 23 - 12:50am EDT   BusinessWeek on Thursday unveiled its InfoTech 100 ranked list of the world’s top performing companies, with Amazon again claiming first place ahead of Apple and BlackBerry maker RIM. Amazon’s reign continues from last year, as it vaulted from 23rd place to first, putting it ahead of wireless giant Nokia, Google, and Microsoft. Apple climbed four spaces from sixth place, based on its financial performance and revenue growth. [full story]