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Detailed stories on technology startups, business and economic current affairs.
The headlines are about the scale of the proprietary trading firm’s alleged manipulation when they ought to be about how easily and effectively it engineered profits for itself.

On Thursday, the Securities and Exchange Board of India released an interim order barring four units of American proprietary trading firm Jane Street from participating in the Indian markets. Gains to the tune of Rs 4,843.58 crore from trades that allegedly violated the SEBI (Prohibition of Fraudulent and Unfair Trade Practices Relating to Securities Market) Regulations, 2003 are also sought to be impounded.
The impounded gains of Rs 4,843.58 crore are spread over 21 option expiry days (18 sample days plus three recent trades in May 2025). In its investigation, SEBI has examined only the top 30 most profitable BANKNIFTY …
Thinly traded listed entities have long served as breeding grounds for stock manipulation, hurting investors. The regulator, the NSE and BSE now want to fix things by focusing on efficient delisting.
The newly announced levy on UPI payments undermines the very foundation of using digital payments for stock market investing. Brokers are in a tizzy.
A month on, CAS has only amplified volatility, manipulation and confusion rather than containing them.