Of these, perhaps no stock market trend is more popular than value investing, which is a strategy that has proven to be successful in all sorts of market environments. Value investors use fundamental analysis and traditional valuation metrics to find stocks that they believe are being undervalued by the market at large. One company to watch right now is Kelly Services (KELYA) . KELYA is currently sporting a Zacks Rank of #1 (Strong Buy), as well as a Value grade of A. The stock is trading with a P/E ratio o ...