Warren Buffett-led Berkshire Hathaway's (NYSE: BRK.A)(NYSE: BRK.B) had a substantial investment in General Motors (NYSE: GM). According to Berkshire's SEC filings, the conglomerate owned 50 million shares of GM at the beginning of that year,

Warren Buffett is one of the better-known and successful investors. His Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) portfolio has consistently outperformed the S&P 500 (SNPINDEX: ^GSPC) since its inception in the mid-1960s.

Investors often turn to Warren Buffett for advice for one good reason: He's proven his ability to navigate any investing waters -- from moments of euphoria to the doldrums -- and win over time. Buffett doesn't rush to buy the hottest stocks as markets soar and doesn't panic-sell during difficult periods.

Some of the Oracle of Omaha's most-popular buys -- as well as Berkshire's largest holding -- offer robust upside potential in 2025.

Berkshire took a new stake in Citigroup ( C 1.88%) in 2022 and the stock currently makes up 1.5% of Berkshire's portfolio. Citigroup has far and away been the worst-performing large U.S. bank stock since the Great Recession and many investors have ditched the stock out of frustration.

Warren Buffett is one of the most popular, quotable investors in the world. The billionaire CEO of Berkshire Hathaway has a legendary investment track record, trouncing the return of the S&P

Think being a billionaire is all luxury and extravagance? Think again. Warren Buffett, one of the richest men alive, might surprise you. Buffett's daughter, Susan, says her dad is just normal. A guy who's not obsessed with his billions.

Buffett -- as well as his late great partner Charlie Munger -- would recommend avoiding leverage at all costs in your portfolio. Why? Because when the market turns (which it will inevitably do at times), the downside can wipe you out. The levered Nasdaq ETF went into a massive drawdown in 2022, and that was just one year of bad returns.