Two out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 68 points (0.4%) at 16,398 as of Friday, Sept. 11, 2015, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,332 issues advancing vs. 1,639 declining with 143 unchanged.

The Electronics industry currently sits down 0.7% versus the S&P 500, which is unchanged. On the negative front, top decliners within the industry include SunEdison ( SUNE), down 4.6%, Hanwha Q CELLS ( HQCL), down 2.6%, Kyocera ( KYO), down 2.8%, Micron Technology ( MU), down 1.8% and ASML ( ASML), down 1.1%. Top gainers within the industry include Mettler-Toledo International ( MTD), up 2.4%, NXP Semiconductors ( NXPI), up 1.5%, Freescale Semiconductor ( FSL), up 1.3%, Taiwan Semiconductor Manufacturing ( TSM), up 0.9% and Broadcom ( BRCM), up 0.7%.

TheStreet would like to highlight 3 stocks pushing the industry lower today:

3. Marvell Technology Group ( MRVL) is one of the companies pushing the Electronics industry lower today. As of noon trading, Marvell Technology Group is down $1.74 (-16.5%) to $8.81 on heavy volume. Thus far, 28.7 million shares of Marvell Technology Group exchanged hands as compared to its average daily volume of 6.1 million shares. The stock has ranged in price between $8.21-$9.09 after having opened the day at $8.22 as compared to the previous trading day's close of $10.55.

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Marvell Technology Group Ltd. designs, develops, and markets analog, mixed-signal, digital signal processing, and embedded and standalone integrated circuits. Marvell Technology Group has a market cap of $5.5 billion and is part of the technology sector. The company has a P/E ratio of 15.5, below the S&P 500 P/E ratio of 24.5. Shares are down 27.2% year-to-date as of the close of trading on Thursday. Currently there are 8 analysts that rate Marvell Technology Group a buy, 2 analysts rate it a sell, and 13 rate it a hold.

TheStreet Ratings rates Marvell Technology Group 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, reasonable valuation levels and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and weak operating cash flow. Get the full Marvell Technology Group Ratings Report now.

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2. As of noon trading, Roper Technologies ( ROP) is down $1.69 (-1.1%) to $157.35 on average volume. Thus far, 171,686 shares of Roper Technologies exchanged hands as compared to its average daily volume of 417,400 shares. The stock has ranged in price between $156.28-$158.11 after having opened the day at $156.28 as compared to the previous trading day's close of $159.04.

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Roper Technologies, Inc., a diversified technology company, designs and develops software (both license and software-as-a-service), and engineered products and solutions for healthcare, transportation, food, energy, water, education, and academic research markets worldwide. Roper Technologies has a market cap of $15.9 billion and is part of the industrial goods sector. The company has a P/E ratio of 24.0, below the S&P 500 P/E ratio of 24.5. Shares are up 1.7% year-to-date as of the close of trading on Thursday. Currently there are 5 analysts that rate Roper Technologies a buy, no analysts rate it a sell, and 4 rate it a hold.

TheStreet Ratings rates Roper Technologies as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures, expanding profit margins, good cash flow from operations and solid stock price performance. We feel its strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Roper Technologies Ratings Report now.

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1. As of noon trading, Ambarella ( AMBA) is down $5.52 (-7.9%) to $64.67 on heavy volume. Thus far, 3.2 million shares of Ambarella exchanged hands as compared to its average daily volume of 4.0 million shares. The stock has ranged in price between $63.55-$70.00 after having opened the day at $68.88 as compared to the previous trading day's close of $70.19.

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Ambarella, Inc. develops semiconductor processing solutions for video that enable high-definition (HD) video capture, sharing, and display worldwide. Ambarella has a market cap of $2.2 billion and is part of the technology sector. The company has a P/E ratio of 29.0, above the S&P 500 P/E ratio of 24.5. Shares are up 38.4% year-to-date as of the close of trading on Thursday. Currently there are 6 analysts that rate Ambarella a buy, no analysts rate it a sell, and 5 rate it a hold.

TheStreet Ratings rates Ambarella as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures, notable return on equity, impressive record of earnings per share growth and compelling growth in net income. We feel its strengths outweigh the fact that the company is trading at a premium valuation based on our review of its current price compared to such things as earnings and book value. Get the full Ambarella Ratings Report now.

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If you are interested in one of these 3 stocks, ETFs may be of interest. Investors who are bullish on the electronics industry could consider iShares Dow Jones US Technology ( IYW) while those bearish on the electronics industry could consider ProShares Ultra Short Semiconductor ( SSG).