Mumbai, April 9 -- The domestic equity benchmark ended Thursday's session on a weak note, snapping a five-day winning streak as investor sentiment turned cautious. The decline was largely attributed to lingering uncertainty around the US-Iran ceasefire, which kept market participants on edge. Adding to the subdued mood, investors remained on the sidelines ahead of TCS's quarterly earnings, looking for directional cues for the IT sector. Volatility also spiked due to the weekly expiry of Sensex derivatives contracts, further weighing on market momentum.

The Nifty closed below the 23,800 mark, reflecting broad-based pressure. Private banks, financial services and PSU bank stocks led the decline, while sectors such as metals, healthcare, an...