Solar stocks are jumping today following news that panel prices are stabilizing and demand in Italy and the U.S. is increasing. Many solar companies took a big hit last year as prices of solar panels fell dramatically and cut into companies profits management.

Hanwha SolarOne Co., Ltd (NASDAQ:HSOL) is up 41.60% in midday trading at $1.77. HSOL has traded 2.6 million shares so far today, three times its average volume. HSOL shares are up more than $0.70 in the past few days. The company has a market cap of 159.50 million.

JinkoSolar Holding Co., Ltd. (NYSE:JKS) is up 37.04% today at $7.14. JKS has traded 1.9 million shares so far today, four times its daily volume. JKS shares have jumped more than $2 a share since last week. The company has a market cap of 162.28 million.

ReneSola Ltd. (NYSE:SOL) is up 27.91% today at $2.20. SOL has traded 4.6 million shares today, well above its daily average of 1.5 million shares. The company has a market cap of 196.03 million.

JA Solar Holdings Co. Ltd (NASDAQ:JASO) is up 27.08% today at $1.83. JASO is up on heavy volume today with 10.1 million shares traded. The stock trades 3.8 million shares a day on average. The company has a market cap of 298.03 million.

Canadian Solar Inc. (NASDAQ:CSIQ) is up 14.52% in midday trading at $3.55. CSIQ has traded 2.8 million shares so far today, nearly 3 times its daily average. CSIQ shares are up nearly $0.80 in the past week. The company has a market cap of 154.49 million.