What to know

• CAS was introduced on Aug. 3 to replace the earlier method of determining closing prices using the volume-weighted average price during the final half-hour of trading.S1
• Former BJP MP Kirit Somaiya has urged SEBI to investigate the sharp swings in the Sensex during the Closing Auction Session on August 27, when the index plunged over 2,000 points within minutes before recovering much of the loss. He questioned whether the new...S2