Apple, Amazon, Facebook, and Microsoft all hit record highs as the Nasdaq Composite broke 10,000 for the first time, alongside several explosive IPOs (Lauren Feiner/CNBC)

Lauren Feiner / CNBC:
Apple, Amazon, Facebook, and Microsoft all hit record highs as the Nasdaq Composite broke 10,000 for the first time, alongside several explosive IPOs  —  - Facebook, Apple, Amazon and Microsoft all hit new all-time highs Tuesday after the Nasdaq Composite Index hit a new record.