NEW YORK ( TheStreet) -- National Bank of Greece (NYSE: NBG) is trading at unusually high volume Friday with three million shares changing hands. It is currently at 4.1 times its average daily volume and trading down 35 cents (-9.2%) at $3.44 as of 4 p.m. ET. National Bank of Greece has a market cap of $2.32 billion and is part of the financial sector and banking industry. Shares are up 100% year to date as of the close of trading on Thursday. National Bank of Greece S.A., together with its subsidiaries, provides diversified financial services primarily in Greece. TheStreet Ratings rates National Bank of Greece 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, poor profit margins and weak operating cash flow. You can view the full National Bank of Greece 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.