Indian shares plunged as trade uncertainty loomed and U.S. prepares for a 15% tariff. President Trump warns of higher tariffs for countries challenging the ruling. U.S. military shifts towards West Asia, signaling Iran. BSE Sensex down 718 points, NSE Nifty drops 200 points. Bharti Airtel to invest Rs 20,000 crore in Airtel Money. Tech Mahindra, TCS, Eternal, Infosys, and HCL Tech slide. Cholamandalam Investment raises Rs 1,000 crore. Waaree Energies and Morepen Labs see gains, PC Jeweller incorporates in Chad, and Signpost India secures advertising rights in Kolkata.

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