NEW YORK ( TheStreet) -- JA Solar Holdings Company Limited American (Nasdaq: JASO) is trading at unusually high volume Thursday with 17.8 million shares changing hands. It is currently at four times its average daily volume and trading down 30 cents (-14.2%) at $1.81 as of 1:05 p.m. ET. JA Solar Holdings Company Limited American has a market cap of $317.9 million and is part of the technology sector and electronics industry. Shares are up 57.5% year to date as of the close of trading on Wednesday. JA Solar Holdings Co., Ltd., through its subsidiaries, engages in the design, development, manufacture, and sale of photovoltaic solar cells and solar products, which convert sunlight into electricity in the People's Republic of China. The company has a P/E ratio of 1.1, below the average electronics industry P/E ratio of 1.2 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates JA Solar Holdings Company Limited American as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, disappointing return on equity, generally disappointing historical performance in the stock itself and feeble growth in its earnings per share. You can view the full JA Solar Holdings Company Limited American Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are falling on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVDOWN to 95370 or select from multiple alert options.