India, Dec. 3 -- The global landscape of industries, businesses, and sectors has shifted. According to a new McKinsey study, the top 10 list of the world's most valuable firms has changed beyond imagination. When one compares the 2005 list with the 2025 one, there is one common firm, Microsoft, whose valuation has zoomed from below $300 billion to just under $4 trillion. The likes of names that were once influential in the last century, which include energy giants such as ExxonMobil, BP, and Shell, finance powerhouses like Citi, HSBC, and Bank of America, and consumer behemoths such as General Electric, Walmart, and Johnson & Johnson, have vanished. Among the new firms in the 2025 list are the tech superpowers such as Nvidia, Apple, Alpha...