warren buffett mistakes: Warren Buffett Annual Letter: Precision Castparts was Warren Buffett 10 billion dollar mistake : वॉरेन बफे की 10 अरब डॉलर की गलती थी प्रिसिजन कास्टपार्ट्स को खरीदना

warren buffett mistakes: Warren Buffett Annual Letter: Precision Castparts was Warren Buffett 10 billion dollar mistake : वॉरेन बफे की 10 अरब डॉलर की गलती थी प्रिसिजन कास्टपार्ट्स को खरीदना

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