These are the stocks that are up on above-average volume today:

  • Facebook Inc. - Class A (FB) saw its price spike on above-average volume today, as 80 million shares, which is 1.9 times the stock's average daily volume, traded hands. The stock price reached $21.09, a 5.2% increase.

  • Procter & Gamble (PG) saw its price spike on above-average volume today, as 15 million shares, which is 1.6 times the stock's average daily volume, traded hands. The stock price experienced a 3.1% increase, coming in at $65.50. Share price is up $4.15 (6.8%) from $61.35 on July 5, 2012. The stock has moved up across its 200-day moving average of $64.26 today.

  • American Intl Group (AIG) was up on high volume today, trading with volume of 21.7 million, or 2.6 times its average daily volume. Share price climbed 1.6% to $31.34. The stock has been on an upward trajectory over the last two months, climbing $1.44 (4.8%) from a price of $29.90 on June 6, 2012. The stock has moved up across its 50-day moving average of $31.07 today.

  • CBS (CBS) experienced a price hike on above-average volume today, trading at a volume of 10.6 million, or 1.8 times its standard daily volume. The stock price hit $35.06, a 6.1% increase. Shares are up over the last two months, having risen $3.13 (9.8%) from a price of $31.93 on June 6, 2012. The stock is trading 9.5% above its 50-day moving average and 11% above its 200-day moving average.

  • Alexion Pharmaceuticals (ALXN) was up on high volume today, trading with volume of 3.1 million, or 1.6 times its average daily volume. Shares were up 4.6% to $106.96. Share price is up, having risen $3.57 (3.5%) from $103.39 on July 5, 2012. The stock is trading 7.5% above its 50-day moving average and 16.1% above its 200-day moving average.

  • After trading at a volume of five million, or two times its average, Cognizant Technology (CTSH) was up on high volume today. The stock price reached $57.86, a 2.8% increase. The stock has fallen over the last three months, dropping $2.44 (-4%) from $60.30 on May 8, 2012. The stock has moved up across its 50-day moving average of $57.76 today.

  • Rio Tinto plc (RIO) saw its price spike on above-average volume today, as 5.7 million shares, which is 1.8 times the stock's average daily volume, traded hands. Shares improved 5.3% to $47.59. Over the last three months, the stock has lost $3.35 (-6.6%) from a price of $50.94 on May 8, 2012. The stock has moved up across its 50-day moving average of $45.93 today.

  • Comcast Corporation (CMCSK) experienced a price hike on above-average volume today, trading at a volume of 7.8 million, or 1.7 times its standard daily volume. The stock price experienced a 1.2% increase, coming in at $33.67. Share price is up $2.74 (8.9%) from $30.93 on July 5, 2012. The stock is trading 8.2% above its 50-day moving average and 14.1% above its 200-day moving average.

  • After trading at a volume of 4.9 million, or 1.5 times its average, Prudential Financial (PRU) was up on high volume today. The stock price hit $52.03, a 4% increase. Over the last two months, shares have shown some positive movement as the price has climbed $4.19 (8.8%) from a price of $47.84 on June 6, 2012. The stock has moved down across its 50-day moving average of $47.59 today.