NEW YORK ( TheStreet) -- Affymetrix (Nasdaq: AFFX) is trading at unusually high volume Wednesday with 3.9 million shares changing hands. It is currently at 4.3 times its average daily volume and trading up 19 cents (+3.1%) at $6.28 as of four p.m. ET.

Affymetrix has a market cap of $422.3 million and is part of the technology sector and electronics industry. Shares are up 21.1% year to date as of the close of trading on Tuesday.

Affymetrix, Inc. engages in the development, manufacture, sale, and servicing of consumables and systems for genetic analysis in the life sciences and clinical healthcare markets.

TheStreet Ratings rates Affymetrix as a hold. The company's strengths can be seen in multiple areas, such as its compelling growth in net income, largely solid financial position with reasonable debt levels by most measures and good cash flow from operations. However, as a counter to these strengths, we find that the stock has had a generally disappointing performance in the past year. You can view the full Affymetrix Ratings Report.

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