Country: Canada
Market Value: $25.5 billion
Sales: $16.9 billion

Sales Growth: 28%
Employee Growth: 8%
Return on Investment: 36%
Total Return: -30%

Research In Motion (RIMM), the creator of the ubiquitous BlackBerry, is playing catch-up to the Apple iPad. Mike Lazaridis, co-founder and co-CEO, above, unveiled the company's answer to the iPad on Sept. 27: the BlackBerry Playbook, due to launch early next year. Although the stock market has responded positively to the announcement—sending RIM's share price up 30 percent to $63 as of Dec. 6—it's too early to tell whether the tablet will be as popular, or addictive, as those "CrackBerries."