Tech Stocks to Watch: Apple Inc. (Nasdaq: AAPL), Research in Motion (Nasdaq: RIMM), Guidewire Software

Research in Motion Ltd. (Nasdaq: RIMM), Apple Inc. (Nasdaq: AAPL), and a software company's IPO round out the biggest headline-making tech stocks this week - but not all are "Buys." Major change for RIM: Research in Motion, the struggling Blackberry smartphone maker, has named a new Chief Executive Officer to replace co-CEOS Mike Lazaridis and Jim Balsillie - but could be too little, too late for RIM. The company announced Monday morning that RIM-insider Thorsten Heins would take

Apple Inc.