Berkshire Hathaway Shares Plunge 6% to Lowest Close Since February, 2007

Shares of Warren Buffett's Berkshire Hathaway fell just over six percent today to a 20-month closing low of $105,126.

It's also a new intraday low for the stock, which had fallen to $105,300 on October 10 before ending that session at $113,100.

Berkshire hasn't closed below $100,000 in just over two years.

The stock has moved in an enormous range in the last few weeks, closing as high as $147,000 on September 19. That was just over one percent below its all-time high set in December. Tonight, Berkshire is down 28.5 percent from that peak.

Berkshire's percentage drop today is roughly double the S&P 500's 3.2 percent decline.

For the year-to-date, however, Berkshire is doing better than the stock market benchmark, although it's not a great achievement by any measure. Berkshire (BRK.A) is down 25.8 percent while the S&P (SPX) is off 42.2 percent.

Berkshire's decline on Wall Street comes amid criticism that Buffett has moved too quickly to take advantage of weaker prices in the financial markets. Today the Wall Street Journal told Buffett it's "time to get a new crystal ball."

Current Berkshire stock prices:

Class A:

Class B:

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