Eastman Chemical Company's (EMN) shares have gained 13.9% over the past six months. The company has also outperformed its industry's rise of 4.4% over the same time frame. Moreover, it has topped the S&P 500's around 11% 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? Better-than-expected earnings performance in the second quarter and upbeat prospects have contrib ...