New Delhi, Aug. 26 -- The August series started with gains in its opening session and concluded on a positive note on the expiry day, Tuesday, August 25. The expiry session was significant, as it marked the first monthly expiry after the introduction of the Closing Auction Session (CAS) regime. During the series, the Nifty 50 gained nearly 1.45%.

However, the expiry session witnessed sharp volatility. The index opened on a weak note and touched an intraday low of 24,115.45. In the second half of the session, the index found support near the upward-rising trendline and staged a strong recovery. The newly introduced CAS provided additional support during the final minutes, helping the index reclaim the 24,300 mark and close on a positive n...