NEW YORK ( TheStreet) -- Monolithic Power Systems (Nasdaq: MPWR) is trading at unusually high volume Wednesday with 1.4 million shares changing hands. It is currently at 4.4 times its average daily volume and trading up $1.09 (+8.5%) at $13.85 as of 2:56 p.m. ET.

Monolithic Power Systems has a market cap of $453.4 million and is part of the technology sector and electronics industry. Shares are down 22.8% year to date as of the close of trading on Tuesday.

Monolithic Power Systems, Inc. designs, develops, manufactures, and markets analog and mixed-signal semiconductors. The company has a P/E ratio of 20, above the average electronics industry P/E ratio of 19.7 and above the S&P 500 P/E ratio of 17.7.

TheStreet Ratings rates Monolithic Power Systems as a hold. The company's strengths can be seen in multiple areas, such as its largely solid financial position with reasonable debt levels by most measures and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, deteriorating net income and disappointing return on equity. You can view the full Monolithic Power Systems Ratings Report.

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