Today I used Barchart to sort the S&P 500 Large Cap Index stocks to find the 5 with the worst technical sell signals, then used the Flipchart feature to review the charts.

Today's dogs include Cabot Oil and Gas (NYSE:COG), Centurylink (NYSE:CTL), Keurig Grenn Mountain (NASDAQ:GMCR), Qualcom (NASDAQ:QCOM) and Windstream (NASDAQ:WIN):

Cabot Oil and Gas (COG)

Barchart technical indicators:

• 100% Barchart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 36.17% off its recent high
• Relative Strength Index 31.09%
• Recently traded at 26.64 which is below its 50 day moving average of 30.36

Centurylink (CTL)

Barchart technical indicators:

• 100% Barchart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 18.15% off its recent high
• Relative Strength Index 33.82%
• Recently traded at 37.29 which is below its 50 day moving average of 39.32

Keurig Green Mountain (GMCR)

Barchart technical indicators:

• 100% Barchart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 22.24% off its recent high
• Relative Strength Index 35.44%
• Recently traded at 123.33 which is below its 50 day moving average of 135.39

Qualcom (QCOM)

Barchart technical indicators:

• 100% Barchart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 22.59% off its recent high
• Relative Strength Index 20.92%
• Recently traded at 63.06 which is below its 50 day moving average of 72.38

Windstream (WIN)

Barchart technical indicators:

• 100% Barchart technical sell signals
• Trend Spotter sell signal
• Below its 20, 50 and 100 day moving averages
• 40.71% off its recent high
• Relative Strength Index 30.59%
• Recently traded at 7.88 which is below its 50 day moving average of 8.86