My brother who is a bioteh scientist talked with me about GILD, the biotech company Gilead Sciences, Inc. He has been following GILD and doing some research about its scientific development. He thinks GILD has achieved big on treatment for Hepatitis C, completed its clinical phase 3 and waiting for FDA approval, its potential worldwide is huge, it will surpass Amgen soon. But, he only knows about sciences, not the business. Experts in this forum please think about it from business side, such as economic situation, politics and medical insurance, etc… if there is some problems for investing GILD right now. GILD has been split recently. Thank you for your opinion.