Diversification ranks among the most important components of many investment strategies. However, one of the world's greatest investors isn't gung ho about the idea. Warren Buffett once said, "Diversification is protection against ignorance.

These five companies -- one of which is near and dear to the Oracle of Omaha's heart -- stand out for all the right reasons.

Given the financial environment in which cash is sometimes considered as useless, Warren Buffett's approach of keeping large cash reserves stands out and generates investor interest and speculation. Renowned for his sharp investing style,

Arguably the world's greatest stock picker isn't picking many stocks these days. Warren Buffett has been a net seller of stocks for eight consecutive quarters. I suspect when Berk

Berkshire Hathaway bought up more VeriSign shares as the final days of 2024 ticked away. Warren Buffett’s company paid $15.6 million from Dec. 26 through Monday for 76,487 more shares of VeriSign, a provider of internet domain-name registry services.

You may want to peruse Warren Buffett's portfolio for ideas. After all, Buffett and his investing colleagues Todd Combs and Ted Wechsler at Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) only seek out competitively advantaged,

Excluding the stock positions Buffett trimmed throughout 2024, this is by far the famed investor's biggest bet.