The Nifty 50 index experienced volatility on Wednesday, starting flat before reaching an intraday high of 26,235. However, selling pressure emerged, causing the index to fall over 100 points from its peak. The session concluded with the Nifty 50 closing down 35 points at 26,142. Most sectoral indices ended in the red, with oil and gas, pharma, and IT sectors seeing the most significant declines.