Packaging Corporation of America’s (PKG) shares have gained 49.3% over the past year. The company has outperformed its industry’s growth of 14.5% and the S&P 500’s 28.5% rise over the same period. Image Source: Zacks Investment Research Let us take a look into the factors behind this Zacks Rank #2 (Buy) company’s price appreciation. Solid E-Commerce Demand: Packaging Corp has been benefitting from strong growth in e-commerce activities that continue to support packaging demand. The Packaging segment account ...