<h1>Rupee falls 10 paise to 85.80 against dollar amid trade tariff uncertainty and market volatility</h1> The rupee depreciated 10 paise to close at 85.80 against the US dollar due to weak domestic markets and risk-off sentiment amid trade tariff uncertainty. The currency opened at 85.76 and touched an intra-day low of 85.91. Market volatility was driven by US tariffs on Canadian goods and uncertainty over trade deals. The dollar index rose to 97.77 while domestic equity markets declined with foreign institutional investors selling equities worth Rs 5,104.22 crore. India's forex reserves dropped by USD 3.049 billion to USD 699.736 billion. Trade negotiations between India and the US continue with officials aiming to finalize an interim agreement.