The technology sector closed the day down 2.9%. Memsic Inc ( MEMS), Liquidity Service Inc ( LQDT), Nexxus Lighting Inc ( NEXS), and Socket Mobile Inc ( SCKT) were all winners today within the technology sector with Ultra Clean Holdings Inc ( UCTT) being today's featured technology winner. Ultra Clean Holdings Inc rose 10 cents (2.2%) to $4.58 on average volume. Throughout the day, 184,744 shares of Ultra Clean Holdings Inc exchanged hands as compared to its average daily volume of 192,600 shares. Ultra Clean Holding, Inc., through its subsidiaries, designs, develops, prototypes, engineers, manufactures, tests, and supplies critical subsystems primarily to the semiconductor capital equipment industry in North America, Europe, Asia, and internationally. Ultra Clean Holdings Inc has a market cap of $94.9 million and is part of the electronics industry. The company has a P/E ratio of 4.2, equal to the average electronics industry P/E ratio and below the S&P 500 P/E ratio of 17.7. Shares are down 51.9% year to date as of the close of trading on Tuesday. TheStreet Ratings rates Ultra Clean as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, impressive record of earnings per share growth and compelling growth in net income. However, as a counter to these strengths, we also find weaknesses including poor profit margins and a generally disappointing performance in the stock itself.