> US pharma companies like Pfizer gets more than 50% of their revenue from foreign markets. To be fair, this statement doesn't really tell us anything. Pfizer'

> US pharma companies like Pfizer gets more than 50% of their revenue from foreign markets. To be fair, this statement doesn't really tell us anything. Pfizer's foreign market profit might be 2% of sale price, and their US profit 98% of sale price. So despite that figure, the majority of their R&D investment might still come from sales in the US.