Investment longevity: the secret behind Warren Buffett’s success

AT A charity dinner last month, the investor seated next to me gave a long soliloquy about his investment outlook and his portfolio, concluding with the proclamation that every investor should be “all in” on technology and artificial intelligence, and have no less than 50 per cent of their portfolio in Nvidia.

He was surprised that I did not ask any questions, and finally asked me what I thought.

“Good luck. Nvidia may not exist 20 years from now, so you better have an exit plan if things don’t go the way you expect,” I replied.