Sensex off to a choppy start, Nifty over 25,450; bank, IT stocks lead gainers

Indian stock market indices, Sensex and Nifty50, saw a flat opening. This was due to anxieties surrounding United States trade policies. President Trump's tariff announcements on trading partners created uncertainty. Kotak Mahindra Bank was a top gainer after reporting positive financial results. Other stocks experienced mixed performance. Asian markets also showed mixed trends amidst global trade concerns.