NEW YORK ( TheStreet) -- Shares of Hudson Technology (Nasdaq: HDSN) have taken a tremendous swing upward. The stock is trading at $4.05 as of 3:55 p.m. ET, 21.6% above Tuesday's closing price of $3.33. Volume is at 1.4 million, 15.9 times the daily average of 87,200. Hudson Technology has a market cap of $75.2 million and is part of the services sector and wholesale industry. Shares are up 129.7% year to date as of the close of trading on Tuesday. Hudson Technologies, Inc., through its subsidiary, Hudson Technologies Company, provides refrigerant services and solutions in the refrigeration industry primarily in the United States. The company has a P/E ratio of 79, equal to the average wholesale industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Hudson Technology as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance and notable return on equity. However, as a counter to these strengths, we also find weaknesses including unimpressive growth in net income, poor profit margins and weak operating cash flow. You can view the full Hudson Technology Ratings Report. See our top % gaining stocks list for other stocks that are soaring today, or get investment ideas from our investment research center.