One of the best ways to discover Mid Cap stocks that are breaking out to the upside is to use Barchart to sort the S&P 400 Mid Cap stock index for the stocks having the most frequent up days in the last month then use the Flipchart feature to review the charts.

 Today's Mid Cap breakout stocks are Steel Dynamics  (NASDAQ:STLD), Polyone  (NYSE:POL), Ciena  (NYSE:CIEN), SEI Investments (NASDAQ:SEIC) and Carpenter Technology (NYSE:CRS).

Steel Dynamics

Barchart technical indicators:

• 72% Barchart technical buy signals
• Trend Spotter buy signal
• Above its 20, 50 and 100 day moving averages
• 15 new highs and up 8.49% in the last month
• Relative Strength Index 64.39%
• Barchart computes a technical support level at 21.75
• Recently traded at 22.15 with a 50 day moving average of 20.95

Polyone

Barchart technical indicators:

• 96% Barchart technical buy signals
• Trend Spotter buy signal
• Above its 20, 50 and 100 day moving averages
• 14 new highs and up 9.73% in the last month
• Relative Strength Index 64.00%
• Barchart computes a technical support level at 40.04
• Recently traded at 40.7 with a 50 day moving average of 38.54

Ciena

Barchart technical indicators:

• 16% Barchat technical buy signals
• Trend Spotter buy signal
• Above its 50 and 100 day moving averages
• 14 new highs and up 11.16% in the last month
• Relative Strength Index 49.54%
• Barchart computes a technical support level at 20.85
• Recently traded at 21.11 with a 50 day moving average of 20.77

SEI Investments

Barchart technical indicators:

• 88% Barchart technical buy signals
• Trend Spotter buy signal
• Above its 20, 50 and 100 day moving averages
• 14 new highs and up 4.92% in the last month
• Relative Strength Index 58.61%
• Barchart computes a technical support level at 46.16
• Recently traded at 46.06 with a 50 day moving average of 44.10

Carpenter Technology

Barchart technical indicators:

• 72% Barchart technical buy signals
• Trend Spotter buy signal
• Above its 20, 50 and 100 day moving averages
• 13 new highs and up 23.85% in the last month
• Relative Strength Index 76.14%
• Barchart computes a technical support level at 43.78
• Recently traded at 44.85 with a 50 day moving average of 40.02