New Delhi, Dec. 27 -- An old video clip of Warren Buffett has resurfaced on social media platform X, reigniting debate around one of investing's most uncomfortable truths: even the greatest investors make mistakes. The clip, recently shared by an X user Sunil Gurjar, shows Warren Buffett reflecting candidly on what he calls the worst kind of investment error-not losses that appear on balance sheets, but opportunities that were never taken.

Known globally as the "Oracle of Omaha," Buffett is the long-time chairman and chief executive of Berkshire Hathaway, a company he transformed from a struggling textile business into one of the world's most valuable conglomerates. With a net worth of over $130 billion, Buffett ranks among the richest i...