Air Products and Chemicals, Inc.’s (NYSE: APD) shares have shot up 21.2% over the past six months. The company has also outperformed its industry’s rise of 0.1% over the same time frame. APD has also topped the S&P 500’s roughly 9.2% rise over the same period. Let’s take a look into the factors that are driving APD stock. Image Source: Zacks Investment Research APD Gains on High-return Projects & Productivity ActionsAir Products is benefiting from its investments in high-return industrial gas projects and productivity measures. It remains focused on its gasification strategy and is executing i…