By the Numbers

Robert Hum

Robert Hum
Producer, CNBC.com

Robert Hum is the Markets Producer at CNBC.

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  • Starting the week off on a sour note is nothing new for the markets. Falling over 500 points today, the Dow continues a trend it started three months ago. Since July, the Dow has posted gains on only 2 of the last 13 Mondays.

  • After taking into account Monday’s plunge, the Dow Industrials is now down 27% from its October 2007 high. The S&P 500 and the Nasdaq Composite have fared a bit worse, declining 29% and 31% from their respective highs last October. Take a look at how some of the other major U.S. indices and sectors have performed since their 52-week high (including Monday’s fall)It's been a rough twelve months.  The Dow and S&P are looking to have their 4th straight quarter of declines, something not seen in years.  Here is a preview of the quarter end stats and the winners and losers to date.

  • It's been a rough twelve months.  The Dow and S&P are looking to have their 4th straight quarter of declines, something not seen in years.  Here is a preview of the quarter end stats and the winners and losers to date.

  • While Kraft Foods will be joining the Dow Industrials on Monday, in a way, it's not the first time it has been a part of the Dow.

  • Despite all of the developments this week, with a current market cap of $5.5 billion, AIG remains bigger than just over a quarter of its fellow S&P 500 components.

  • Falling oil prices continue to put pressure on energy stocks. Now at a six-month low, the S&P 500 Energy sector is down nearly 19% this quarter, by far the worst-performing sector in the S&P 500 since July 1.  With the decline today, the energy sector’s weighting in the S&P 500 is now less than the weighting of the healthcare sector.

  • This past Saturday marked the one-year anniversary of the Dow Industrials’ first close above 14,000. Needless to say, it has been quite a ride for the Dow since it first reached that milestone; the Dow continued to establish new all-time highs into October before falling to 2-year lows this month.

  • Financial stocks continue to deteriorate this week with lingering concerns over Freddie Mac & Fannie Mae and continued weakness in regional banks following the collapse of IndyMac Bancorp.

  • The bears are out on Wall Street now, as the Dow Industrials and Nasdaq Composite officially closed in bear market territory (down 20% from highs) today.

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    After the close today, Coventry Health Care slashed its Q2 and full-year earnings guidance due to increasing cost pressures. Coventry’s stock was halted after hours before starting again. Meanwhile, other healthcare stocks are trading sharply lower in after hours trading following the news.