Eastman Chemical Company’s (EMN) shares have popped 17.6% over the past six months. The company has also outperformed its industry’s decline of 7.1% over the same time frame. Moreover, it has topped the S&P 500’s 14.2% rise over the same period.Let’s take a look into the factors behind this Zacks Rank #3 (Hold) stock’s price appreciation. Image Source: Zacks Investment Research What’s Working in EMN’s Favor?Eastman is gaining from its actions to manage costs. It is expected to benefit from lower operating c ...