NEW YORK ( TheStreet) -- Telephones of Mexico (NYSE: TMX) is trading at unusually high volume Tuesday with 4.1 million shares changing hands. It is currently at 4.2 times its average daily volume and trading up $1.56 (+9.6%) at $17.83 as of 11:17 a.m. ET. Telephones of Mexico has a market cap of $14.6 billion and is part of the technology sector and telecommunications industry. Shares are up 0.8% year to date as of the close of trading on Monday. Telefonos de Mexico, S.A.B. de C.V. provides telecommunications services primarily in Mexico. It offers local telephone service; domestic and international long distance services; and interconnection services to long-distance, local, and mobile phone carriers. The company has a P/E ratio of 95.1, above the average telecommunications industry P/E ratio of 12.4 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Telephones of Mexico as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, expanding profit margins and increase in stock price during the past year. However, as a counter to these strengths, we also find weaknesses including generally poor debt management and weak operating cash flow. You can view the full Telephones of Mexico 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.