Alex Crippen is senior coordinating producer at CNBC.com. He started with CNBC television in 1990. Crippen began his media career in affiliate TV and news radio. He holds a degree in economics from Wesleyan University.
Berkshire Hathaway's nearly 14 million shares of Carmax are worth substantially more at today's closing bell than they were 24 hours before. The big rally follows the revelation in an SEC filing by Warren Buffett's holding company that it held 13,981,800 shares of the nation's biggest used-car retailer as of September 30, the end of Berkshire's third quarter.
Check out this web-only video clip showing some behind the scenes shots after today's appearance by Warren Buffett before the Senate Finance Committee, including a long walk down the hallway and an elevator that "doesn't stop for billionaires."
This is live real-time blog coverage of Warren Buffett's appearance before the Senate Finance Committee for a hearing on estate taxes.
Warren Buffett has arrived here in Room 215 of the Dirksen Senate Office Building, ready for his appearance a little later this morning before the Senate Finance Committee. The guards are saying a big crowd is expected. No surprise when Buffett's involved.
Today's Wall Street Journal Heard on the Street column quotes some unnamed "people familiar with the matter" as saying Warren Buffett's Berkshire Hathaway could make big profits by throwing a "lifeline" to bond insurers hurt by excessive fears over credit market losses.
Some of Warren Buffett's fellow bilionaires in the Forbes 400 speak out on his million-dollar challenge over tax rates and the very wealthy. So far, no takers.
Warren Buffett will be heading to Washington next Wednesday, to testify against eliminating the nation's estate taxes. It appears to be part of Buffett's "billionaires like me don't pay enough in taxes" campaign, which has not exactly caught on among his fellow members of the Forbes 400 club.
It turns out that supermodel Gisele Bundchen isn't siding with Warren Buffett as a U.S. dollar bear after all, her manager tells CNBC.
They're both famous, they're both very wealthy and they both don't want to get paid in U.S. dollars right now if they can avoid it. One major difference: she dresses better.
The Wall Street Journal points out this morning that Warren Buffett has been increasingly selling derivatives, which he described a few years ago as "financial weapons of mass destruction."
At the MGM Grand for the Floyd Mayweather fight, billionaire Warren Buffett decided to branch out from stock picks.
Burger King Worldwide confirmed plans to acquire Tim Hortons, with billionaire Warren Buffett helping to finance the deal.
Investors may be warming up to the stock market, but they're taking the safe way in.
Berkshire Hathaway is paying almost $1 million to the government for failing to make disclosures required by antitrust law again.