These are the seven most popular stocks that rose to 52-week highs:

  • While trading on below-average volume, American Capital Agency (AGNC) climbed today, reaching and then surpassing its previous 52-week high of $34.85. It peaked at $35.18. The stock price has risen 1.2% on a volume of 4.1 million shares. Over the last three months, the stock has gained $5.06 (16.8%) from a price of $30.05 on April 12, 2012. The stock is trading 6.7% above its 50-day moving average and 12.3% above its 200-day moving average.

  • The share price of Dollar General (DG) increased today, reaching and then surpassing its previous 52-week high of $55.30. In spite of its performance and peak price of $56.04, the stock was trading on below-average volume. Shares are up 1.9%, trading at a volume of 1.5 million. Share price is up, having risen $5.60 (11.1%) from $50.29 on June 8, 2012. The stock is trading 9.3% above its 50-day moving average and 17.5% above its 200-day moving average.

  • The share price of Cymer (CYMI) rose today, reaching and then surpassing its previous 52-week high of $60.60. The stock was trading on above-average volume. Shares have gained 9.1% on volume of 928,230 shares. Shares have been on on the rise over the past three months, climbing $7.42 (13.6%) from a price of $54.43 on June 8, 2012. The stock is trading 11.7% above its 50-day moving average and 18% above its 200-day moving average.

  • While trading on above-average volume, SemGroup (SEMG) climbed today, reaching and then surpassing its previous 52-week high of $32.22. On volume of 530,775 shares, the stock has risen 1.5%. Share price is up $2.21 (7.4%) from $30.05 on June 8, 2012. The stock is trading 4.7% above its 50-day moving average and 9.5% above its 200-day moving average.

  • The share price of Beacon Roofing Supply (BECN) improved today, reaching and then surpassing its previous 52-week high of $27.60. The stock was trading on above-average volume. Shares have risen 3.6%, trading at a volume of 538,910 shares. Share price is up, having risen $2.82 (11.4%) from $24.80 on June 8, 2012. The stock is trading 10.3% above its 50-day moving average and 13.1% above its 200-day moving average.

  • While trading on below-average volume, The Toro Company (TTC) went up today, reaching and then surpassing its previous 52-week high of $38.30. It peaked at $39.22. While trading at a volume of 206,272, the stock price has risen 1.9%. The stock is trading at 59.1% of its 50-day moving average and 58.4% of its 200-day moving average.

  • The share price of The Medicines Company (MDCO) rose today, reaching and then surpassing its previous 52-week high of $24.58. In spite of its performance and peak price of $24.93, the stock was trading on below-average volume. The stock price is up 1.4% with a volume of 304,704 shares. The stock has risen $4.75 (23.7%) over the last three months from a price of $20.07 on April 12, 2012. The stock is trading 10.9% above its 50-day moving average and 15.6% above its 200-day moving average.