Core Viewpoint - Waters expects first-quarter profit to fall below Wall Street estimates, leading to a nearly 12% decline in shares during premarket trading as investors reacted to the outlook and revenue decline at the Becton Dickinson unit acquired last year [1] Company Summary - Waters anticipates a decrease in first-quarter profit, which is projected to be lower than analysts' expectations [1] - The company's shares experienced a significant drop of nearly 12% in premarket trading following the announcement [1] - The revenue decline is attributed to the Becton Dickinson unit that Waters acquired last year, impacting overall performance [1]