NEW YORK ( TheStreet) -- Oclaro (Nasdaq: OCLR) is trading at unusually high volume Tuesday with 3.6 million shares changing hands. It is currently at four times its average daily volume and trading down 40 cents (-8.7%) at $4.26 as of 1:45 p.m. ET. Oclaro has a market cap of $226 million and is part of the technology sector and electronics industry. Shares are up 60.6% year to date as of the close of trading on Monday. Oclaro, Inc. offers optical network components, modules, and subsystems to telecommunications equipment manufacturers. The company designs, manufactures, and markets products that generate, detect, amplify, combine, and separate light signals in telecommunications networks. TheStreet Ratings rates Oclaro as a sell. The company's weaknesses can be seen in multiple areas, such as its feeble growth in its earnings per share, deteriorating net income, disappointing return on equity and poor profit margins. You can view the full Oclaro 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.