What was Ecolab Inc.'s stock price and percentage change on Friday, and how did it compare to major market indices?

Ecolab Inc. (ECL) shares declined by 1.04% on Friday, closing at $272.83. This underperformance occurred during a broadly negative trading session in which the S&P 500 Index fell by 1.01% and the Dow Jones Industrial Average dropped by 0.77%.

Did Ecolab Inc.'s stock show any recent momentum before Friday's decline?

Yes, the stock's 1.04% decline on Friday ended a two-day winning streak, indicating prior positive price movement over the preceding two trading days.