<h1>Sensex and Nifty Drop Amid Global Market Weakness and US Tariff Concerns; Major Stocks See Declines.</h1> Benchmark stock indices Sensex and Nifty fell on Monday due to weak global markets amid fears of tariffs imposed by the US on trading partners. The Sensex dropped 319.22 points to 77,186.74, while the Nifty decreased by 121.10 points to 23,361.05. Major decliners included Larsen & Toubro and Tata Motors, while Bajaj Finance led the gainers. Asian and European markets also saw significant declines. The US tariffs on imports from Canada, Mexico, and China are set to take effect, raising concerns about global economic challenges. Brent crude oil prices increased, and Foreign Institutional Investors sold equities worth Rs 1,327.09 crore.