I recommend a buy rating for Qualys, Inc. (NASDAQ: QLYS ). I believe the stock is trading at a discount due to concerns around slowing growth, but given the latest developments in product adoption, partner execution, and theI take a fundamentals-based approach to value investing.I disagree with the common misconception held by many investors that low multiple stocks must be cheap. I look for companies that offer the best long-term durability at the most affordable prices. Consequently, I have a propensity t ...