Today, these stocks gapped up with opening prices significantly higher than the close on the previous trading day:

  • Sprint Nextel (S) closed the previous trading session at $3.37, gapping up to open at $3.90 today. Shares are up 11.9% and trading at a volume of 103.3 million. The stock is trading 18.1% above its 200-day moving average.

  • Seagate Technology (STX) opened at $29.12 after closing the previous trading session at $26.31, gapping up. Shares have risen 15.6%, trading at a volume of 7.6 million. Shares have been on an upward trajectory over the past month, rising $6.29 (26.1%) from a price of $24.12 on June 26, 2012. The stock is trading 21.3% above its 50-day moving average and 17.1% above its 200-day moving average.

  • Whole Foods Market (WFM) closed the previous trading session at $84.53, gapping up to open at $93.58 today. While trading at a volume of two million, the stock price has risen 10.3%. Share price climbed over the last three months, now up $10.20 (12.3%) from $83.07 on April 30, 2012. The stock has moved up across its 200-day moving average of $84.91 today.

  • Tractor Supply Company (TSCO) opened at $89.49 after closing the previous trading session at $79.05, gapping up. Shares are up 12.8% and trading at a volume of 1.6 million. Shares are up, having risen $7.84 (9.6%) from a price of $81.30 on July 19, 2012. The stock has moved up across its 200-day moving average of $86.76 today.

  • Fortinet (FTNT) closed the previous trading session at $22.39, gapping up to open at $25.01 today. Trading at a volume of 2.8 million, the stock price is up 13.5%. Shares have shown some positive movement over the last two months as the price has climbed $3.60 (16.5%) from a price of $21.81 on May 29, 2012. The stock has moved up across its 200-day moving average of $23.99 today.

  • KBR (KBR) gapped up today, opening at $28.57 after closing the previous trading session at $22.92. The stock price is up 12% with a volume of 906,364. Over the last three months, the stock has lost $8.18 (-24.2%) from a price of $33.86 on April 30, 2012. The stock has moved up across its 50-day moving average of $24.33 today.

  • Arctic Cat (ACAT) closed the previous trading session at $37.98, gapping up to open at $43.06 today. Shares have risen 13%, trading at a volume of 138,611. Share price is up $9.87 (29.9%) from $33.05 on June 26, 2012. The stock is trading 19.1% above its 50-day moving average and 16.8% above its 200-day moving average.

  • Tenneco (TEN) gapped up today, opening at $28.12 after closing the previous trading session at $25.45. Shares are up 11.5% and trading at a volume of 198,159. Share price is up, having risen $3.30 (13.2%) from $25.08 on June 26, 2012. The stock has moved up across its 50-day moving average of $26.69 today.

  • iBio (IBIO) closed the previous trading session at $1.29, gapping up to open at $1.61 today. The stock price is up 4.7% with a volume of 1.6 million. The stock is trading 51.3% above its 50-day moving average and 19.6% above its 200-day moving average.