US stocks open in the red: Nasdaq down 0.7%, S&P 500 slips 0.4%

Group 1 - US stocks experienced a decline on Monday, primarily driven by losses in large technology companies following a recent surge in the S&P 500 to record levels [1] - The S&P 500 index fell by 0.4%, indicating a slight pullback after reaching new highs [1] - The Nasdaq Composite also faced a downturn, reflecting the broader market trend influenced by technology sector performance [1]