Returning to the S&P 500, whose sole carrier is Southwest Airlines Co. (LUV), probably would draw new investors and mark a milestone in Delta's recovery since its removal in 2005 about a month before filing for bankruptcy.

Hedge funds gained 5.4 percent on average through May 10, compared with a 15.4 percent rise for the S&P 500 (SPX) and a 14.8 percent increase for the typical mutual fund, a team of Goldman Sachs analysts led by Amanda Sneider and David Kostin wrote ...

�We are raising our S&P 500 dividend estimates and index return forecasts for 2013 through 2015. We expect S&P 500 index will rise by 5% from the current level to 1750 by year-end 2013, advance by 9% to 1900 in 2014, and climb by 10% to 2100 in 2015.

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?

If you're not already long, go long on the S&P 500 and then sell the December 175 calls for about $3.65 per share (as of the close on May 21, and with 100 shares in each contract, about $3,650 per contract).

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 ...

The macro investment environment supports an above-average S&P 500 valuation. Our standard valuation approaches point to a P/E multiple of 14x forward earnings.

Another illustrative example is the S&P MidCap index which essentially takes the S&P 500 index and �tosses out� the biggest 100 companies so as to focus solely on the 400 smaller �up-and-comers� (which in the right environment can outperform their ...

Moreover, �should the S&P 500 'melt-up' above channel resistance, a longer-term measured move projects up to 1,775,� the analyst says.

The S&P 500 climbed 0.2 percent to 1,669.16 at 4 p.m. in New York, while the Stoxx Europe 600 Index erased a 0.7 percent drop to close little changed.