Market regulator Sebi has tightened the derivative norms by rationalising the weekly expiry contracts for the options segment. Under the new rules, exchanges can offer expiry contracts for only one index.
US stocks: Nasdaq, S&P end lower in volatile session as tech stocks retreat
Tech stocks pulled down the Nasdaq and S&P 500 due to valuation worries and concerns over AI spending, falling crude prices bolstered airlines and travel