In what appears to be a bet consumers will stick with discount retailers even after the economy rebounds, Warren Buffett's Berkshire Hathaway increased its Wal-Mart holdings by almost 90 percent during the summer.  It added almost 18 million shares, currently worth almost $1 billion, in the third quarter.   Read More

In the midst of the dollar-dominated hot streak for the markets, what are the plays to make now? The Fast Money traders break it down for you.   Read More

Warren Buffett's Berkshire Hathaway plans to sell its stakes in Union Pacific and Norfolk Southern, now that it plans to buy their competitor, Burlington Northern.    Read More

The Lightning Round is extended in this CNBC.com exclusive feature.   Read More

Plus, get seven more names to buoy your portfolio when the previously mentioned eight aren’t working.   Read More

After looking at the action in the Dow Transports, investors are wondering if Warren Buffett may have sent the bulls off to the races!   Read More

Just minutes after this morning's announcement that Berkshire Hathaway is paying $26 billion to acquire the 77 percent of Burlington Northern Santa Fe it doesn't already own, Warren Buffett spoke live by phone with Becky Quick and Joe Kernen on CNBC's Squawk Box.  This is the complete transcript of their conversation.   Read More

Railroads are up: Union Pacific and CSX up 7 percent, Norfolk Southern up 5 percent — and it's not because everyone thinks all the railroads will be bought out.    Read More

While the Burlington Northern deal is getting a lot of attention, it has not brought pre-open trading in the S&P futures into positive territory yet. Risk aversion has become a more prominent theme since last Wednesday, when the S&P 500 dropped below its 50-day moving average for the first time since July.    Read More

Rail and intermodal company, CSX is scheduled to report after the bell today.  While it has beaten EPS expectations 3 of the past 4 quarters, it has missed revenue expectations in the past three quarters according to First Call data.  Before then, it beat revenue targets for 5 straight quarters.      Read More