Today I used Barchart to sort the S&P 500 Large Cap Index stocks to find the ones with the worst technical sell signals. Today's list includes CenterPoint Energy (NYSE:CNP), The AES Corp (NYSE:AES), American Express (NYSE:AXP), WW Grainger (NYSE:GWW) and Assurant (NYSE:AIZ):

CenterPoint Energy (CNP)

Barchart technical indicators:

• 100% Barchart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 16.12% off its recent high
• Relative Strength Index 38.53%
• Recently traded at 21.60 which is below its 50 day moving average of 22.87

The AES Corp (AES)

Barchart technical indicators:

• 96% Barchart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 25.62% off its recent high
• Relative Strength Index 32.58%
• Recently traded at 11.64 which is below its 50 day moving average of 13.01

America Express (AXP)

Barchart technical indicators:

• 96% Barchart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 17.83% off its recent high
• Relative Strength Index 32.80%
• Recently traded at 79.08 which is below its 50 day moving average of 88.20

WW Grainger (GWW)

Barchart technical indicators:

• 96% Bar chart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 13.29% off its recent high
• Relative Strength Index 39.26%
• Recently traded at 233.89 which is below its 50 day moving average of 245.20

Assurant (AIZ)

Barchart technical indicators:

• 88% Barchart technical sell signals
• Trend Spotter sell signal
• Below is 20, 50 and 100 day moving averages
• 12.97% off its recent high
• Relative Strength Index 29.61%
• Recently traded at 60.87 which is below its 50 day moving average of 66.33