Qualcomm Incorporated ( QCOM ) is not a stock known for volatility; it is a stable semiconductor company and a dividend payer. Yet, we saw the stock plunge almost 5% in a single session yesterday, on Monday, January 12th, aI write about stocks I’m personally interested in adding to my portfolio. I’m not a professional advisor, but I study business and economics and analyze markets full-time. My writing is meant for both complete beginners — I avoid unnecessary complexity — and advanced readers, as I always ...