NEW YORK ( TheStreet) -- Advanced Analogic Technologies (Nasdaq: AATI) is trading at unusually high volume Friday with 2.9 million shares changing hands. It is currently at five times its average daily volume and trading down $1.78 (-30%) at $4.15 as of 1:20 p.m. ET. Advanced Analogic has a market cap of $261.9 million and is part of the technology sector and electronics industry. Shares are up 47.9% year to date as of the close of trading on Thursday. Advanced Analogic Technologies Incorporated engages in the development of advanced power management semiconductors. It offers a range of analog and mixed-signal circuits that are used in system design. TheStreet Ratings rates Advanced Analogic as a hold. The company's strengths can be seen in multiple areas, such as its increase in net income, revenue growth and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we also find weaknesses including disappointing return on equity and weak operating cash flow. You can view the full Advanced Analogic 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.