A few stocks are up on high volume today:

  • SINA Corporation (SINA) is seeing its price rise on above-normal volume today, as 6.9 million shares, 3.1 times the stock's average daily volume, have moved. The stock price has climbed to $58.91, a 14% increase. The stock has been sinking in the last two months, down $15.19 (-20.5%) from a price of $74.10 on March 19, 2012. The stock has climbed a step closer to its 50-day moving average, sitting at just 98.6% of the mark.

  • Darden Restaurants (DRI) is up on high volume today, trading with volume of three million, or 1.5 times its average daily volume. Shares have risen 6.3% to $54.75. Shares have been on on the rise over the past month, climbing $4.94 (9.9%) from a price of $49.81 on April 17, 2012. The stock is trading 8.3% above its 50-day moving average and 11.4% above its 200-day moving average.

  • Legg Mason (LM) is seeing its price rise on above-normal volume today, as 4.9 million shares, 2.5 times the stock's average daily volume, have moved. Shares have climbed 10.6% to $24.76. The stock has been on a downward trajectory over the last two months, slipping $4.18 (-14.4%) from a price of $28.94 on March 19, 2012. The stock has climbed a step closer to its 200-day moving average, sitting at just 94.5% of the mark.

  • Chico's FAS (CHS) is up on high volume today, trading with volume of 5.6 million, or two times its average daily volume. Shares have climbed 3.8% to $15.21. Share price is up 43 cents (2.7%) from $15.64 on April 17, 2012. The stock has moved up across its 50-day moving average of $15.13 today.

  • Novo Nordisk A/S (NVO) is seeing its price rise on above-normal volume today, as 520,445 shares, 1.9 times the stock's average daily volume, have moved. Shares have increased 1.2% to $140.60. The share price has been declining in the last month, down $10.74 (-7.1%) from $151.34 on April 17, 2012. The stock is trading 8.5% above its 200-day moving average.

  • Today, Acadia Healthcare Company (ACHC) is up on high volume, trading at a volume of 2.4 million, or 26.8 times its average daily volume. The stock price is up 7% to $16.68.

  • Trading with a volume of one million, or two times its average daily volume, ABIOMED (ABMD) is up on high volume today. Share price has risen to $24.49, a 3.2% increase. Share price is up $3.60 (17.2%) from $20.89 on April 17, 2012. The stock is trading 7.8% above its 50-day moving average and 18% above its 200-day moving average.

  • Today, Radware (RDWR) is up on high volume, trading at a volume of 640,420, or 3.2 times its average daily volume. Shares have risen 6.9% to $39.76. The stock has risen $7.10 (21.7%) over the last three months from a price of $32.66 on February 17, 2012. The stock is trading 7.2% above its 50-day moving average and 18.3% above its 200-day moving average.

  • Trading with a volume of 762,581, or 2.5 times its average daily volume, HomeAway (AWAY) is up on high volume today. Shares have climbed 2.8% to $26.41.