New Delhi, Sept. 4 -- A circular by the market regulator, the Securities and Exchange Board of India (SEBI), on the newly implemented Closing Auction Session (CAS) drove shares of brokerage companies, as well as those of the BSE, higher in intraday trading on Friday, 4 September.

Shares of Angel One surged nearly 8% during the session on the NSE, followed by a 5% jump in those of BSE. Billionbrains Garage Ventures (Groww) share price rose nearly 3%. Motilal Oswal Financial Services shares also saw a nearly 3% gain, while Nuvama Wealth Management shares climbed over 1%.

On 3 September, the market regulator said it would issue a consultation paper proposing changes to the CAS methodology, which was implemented to determine settlement pric...