NEW YORK ( TheStreet) -- Clearwire (Nasdaq: CLWR) is trading at unusually high volume Wednesday with 51.7 million shares changing hands. It is currently at four times its average daily volume and trading down 14 cents (-7.1%) at $1.76 as of 3:35 p.m. ET. Clearwire has a market cap of $963.3 million and is part of the technology sector and telecommunications industry. Shares are down 2.6% year to date as of the close of trading on Tuesday. Clearwire Corporation, through its subsidiaries, provides fourth generation wireless broadband services in the United States. The company builds and operates mobile broadband networks that offer high-speed mobile Internet and residential Internet access services. TheStreet Ratings rates Clearwire 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 generally weak debt management. You can view the full Clearwire Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.