NEW YORK ( TheStreet) -- Greenhill (NYSE: GHL) is trading at unusually high volume Thursday with 1.2 million shares changing hands. It is currently at four times its average daily volume and trading up $5.45 (+12.4%) at $49.39 as of 3:45 p.m. ET. Greenhill has a market cap of $1.24 billion and is part of the financial sector and financial services industry. Shares are up 20.8% year to date as of the close of trading on Wednesday. Greenhill & Co., Inc. operates as an independent investment bank. The company provides financial advice on mergers, acquisitions, restructurings, fund placement, financings, and capital raisings to corporations, partnerships, institutions, and governments, as well as merchant banking services. The company has a P/E ratio of 43.9, equal to the average financial services industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Greenhill as a hold. Among the primary strengths of the company is its solid financial position based on a variety of debt and liquidity measures that we have evaluated. At the same time, however, we also find weaknesses including a generally disappointing performance in the stock itself, premium valuation and weak operating cash flow. You can view the full Greenhill 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 rising on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVUP to 95370 or select from multiple alert options.