New Delhi, Dec. 31 -- Indian stock indices jumped substantially on Wednesday, the last day of 2025, supported largely by value buying after the year-end thin trade.

Sensex jumped 0.64 per cent or 545 points to 85,220 points, while Nifty rose 191 points or 0.74 per cent to 26,130 points.

The domestic stock market opened with marginal gains on Wednesday, reflecting a balanced but soft mood among investors amid thin year-end volumes and limited global cues.

According to analysts, going ahead, market participants will keep a close watch on news flow on the India-US trade deal front, auto sales data, Budget announcements, Q3 earnings, among other key global indicators.

"The market has the potential for a directional move upwards but is bei...