 Weekdays, 3 to 5 on WMNA-FM Southside, 106.3. If it makes you feel any better, even the world's greatest investor makes mistakes, as he recently admitted. I'm Jeff Colvin of Fortune Magazine with the Fortune Business Update. Warren Buffett's company, Berkshire Hathaway, bought stock in paramount back in 2022 when shares were about twice as expensive as they are now.