Celanese Corporation (CE) is benefiting from its productivity measures, investments in organic projects and strategic acquisitions amid headwinds from demand softness and customer de-stocking in certain end markets.Shares of this leading chemical and specialty materials maker are up 22.7% over a year compared with a 17.2% rise of its industry. Image Source: Zacks Investment ResearchCelanese, a Zacks Rank #3 (Hold) stock, is gaining from its cost and productivity actions, investments in high-return organic p ...