Why Investors Like Potato Chips More Than Pharmaceuticals like Sanofi-Aventis (France) and Pfizer Inc.

Forbes -- Why have the share prices of major pharmaceutical companies been dropping for years? I asked Sanofi-Aventis chief executive Christopher Viehbacher to chat following his company’s full-year earnings call. Here’s an edited transcript of our conversation about layoffs, the future of drug industry research, and why his company is trying to acquire Genzyme.

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