U.S. stocks fell on Wednesday with the S&P 500 posting its biggest decline in three weeks, after minutes from the latest U.S.

The S&P 500 was down 0.4 percent at 1,648.67 at 11:19 a.m. in New York. The Dow Jones Industrial Average lost 23.9 points, or 0.2 percent, to 15,283.27 after tumbling as much as 126.94 points.

Market capitalization is an important data point for investors to keep an eye on, for various reasons. The most basic reason is that it gives a true comparison of the value attributed by the stock market to a given company's stock.

Collective dividends per share for Standard & Poor's 500 companies increased roughly 16% year-over-year in 2012. Meanwhile, the number of companies paying a dividend over that period reached a new 13-year high of 405, or roughly 81% of the S&P 500, ...

Just remember, when the fed hikes the S&P 500 ( SPX , quote ) will go up! If we are in a place where the fed begins to hike rates, albeit this is different formally than removing stimulus than the economy is on better footing, commodities are rallying ...

Miller Tabak's chief technical market analyst Jonathan Krinsky alerts clients about a "bearish shooting star" that will emerge on the S&P 500 charts today if the index closes around current levels. Here's Krinsky: NYSE composite volume is running 9 ...

Many investors think a correction must be around the corner given the recent strength in U.S. equities, but history suggests otherwise.

They were the last three occasions when the S&P 500 both hit a new high during the day and then fell more than 1 per cent - and the first two marked the bursting of the dotcom and credit bubbles in the stock market.

If the percentage of S&P 500 companies showing revenues below expectations remains at 47%, by the time they are done reporting their corporate earnings, the first quarter of 2013 will be the third in the last four quarters that the S&P 500 companies ...

Summary: The Australian Dollar (ticker: FXA) has tumbled despite record-highs in the S&P 500 (ticker: SPY). Is the Aussie currency the canary in the coal mine, and does it point to a big S&P pullback?