NEW YORK ( TheStreet) -- PMC-Sierra (Nasdaq: PMCS) is trading at unusually high volume Tuesday with 13.8 million shares changing hands. It is currently at four times its average daily volume and trading up 30 cents (+4.5%) at $7.04 as of 4 p.m. ET. PMC-Sierra has a market cap of $1.51 billion and is part of the technology sector and electronics industry. Shares are up 22.3% year to date as of the close of trading on Monday. PMC-Sierra, Inc. designs, develops, markets, and supports Internet infrastructure semiconductor solutions. The company has a P/E ratio of 24.5, above the average electronics industry P/E ratio of 23.5 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates PMC-Sierra as a hold. The company's strengths can be seen in multiple areas, such as its growth in earnings per share, increase in net income and revenue growth. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, disappointing return on equity and weak operating cash flow. You can view the full PMC-Sierra 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.