Sensex, Nifty, Share Prices: Sensex settled 558.72 points or 0.66% lower at 83,674.92, and Nifty 50 depreciated by 146.65 points or 0.57% to 25,807.20 amid lingering concerns over AI-driven disruption and diminishing expectations of a near-term US Federal Reserve rate cut that dampened investor sentiment.