NEW YORK ( TheStreet) -- Navios Maritime Partners (NYSE: NMM) is trading at unusually high volume Tuesday with 1.6 million shares changing hands. It is currently at four times its average daily volume and trading up $1.62 (+14.3%) at $12.93 as of 4:02 p.m. ET. Navios Maritime has a market cap of $573 million and is part of the services sector and transportation industry. Shares are down 41.9% year to date as of the close of trading on Monday. Navios Maritime Partners L.P. owns and operates dry cargo vessels internationally. The company has a P/E ratio of 8.3, below the average transportation industry P/E ratio of 9.5 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Navios Maritime as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, expanding profit margins, good cash flow from operations, largely solid financial position with reasonable debt levels by most measures and increase in net income. We feel these strengths outweigh the fact that the company has had lackluster performance in the stock itself. You can view the full Navios Maritime 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.