Ecolab Inc. (ECL) has been gaining from its focus on research and development (R&D). The optimism, led by a solid fourth-quarter 2023 performance, along with its solid product portfolio, is expected to contribute further. However, concerns arising from cost fluctuations and the possibility of unsuccessful integration persist.This Zacks Rank #1 (Strong Buy) stock has risen 16.1% year to date compared with the industry’s 9.5% growth. The S&P 500 Composite has increased 7.6% during the same time frame.The reno ...