Is Amgen Stock Increasing Your Market Risk?

Investors holding shares of Amgen (AMGN), the $234 billion maker of drugs such as Repatha and Prolia, likely pair that position with broad exposure to the S&P 500. As the broader market rises and falls each day, the pharmaceutical stock's individual performance blends with the rest of that capital. So when the market drops, does Amgen make your losses bigger.