One out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading down 23 points (-0.1%) at 15,979 as of Tuesday, Sept. 29, 2015, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,349 issues advancing vs. 1,636 declining with 166 unchanged.

The Technology sector currently sits down 0.1% versus the S&P 500, which is up 0.1%. On the negative front, top decliners within the sector include Adobe Systems ( ADBE), down 1.6%, eBay ( EBAY), down 1.5%, Salesforce.com ( CRM), down 1.0% and International Business Machines ( IBM), down 0.8%. Top gainers within the sector include Hanwha Q CELLS ( HQCL), up 8.5%, IHS ( IHS), up 7.1%, Micron Technology ( MU), up 3.1%, Cerner ( CERN), up 2.4% and Wipro ( WIT), up 1.9%.

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

3. T-Mobile US ( TMUS) is one of the companies pushing the Technology sector lower today. As of noon trading, T-Mobile US is down $0.91 (-2.2%) to $39.63 on average volume. Thus far, 1.7 million shares of T-Mobile US exchanged hands as compared to its average daily volume of 3.5 million shares. The stock has ranged in price between $39.63-$40.93 after having opened the day at $40.53 as compared to the previous trading day's close of $40.54.

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T-Mobile US, Inc., together with its subsidiaries, provides mobile communications services in the United States, Puerto Rico, and the U.S. Virgin Islands. The company offers voice, messaging, and data services in the postpaid, prepaid, and wholesale markets. T-Mobile US has a market cap of $34.8 billion and is part of the telecommunications industry. The company has a P/E ratio of 129.5, above the S&P 500 P/E ratio of 24.4. Shares are up 50.5% year-to-date as of the close of trading on Monday. Currently there are 15 analysts that rate T-Mobile US a buy, 1 analyst rates it a sell, and 2 rate it a hold.

TheStreet Ratings rates T-Mobile US as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, good cash flow from operations, expanding profit margins, solid stock price performance and notable return on equity. We feel its strengths outweigh the fact that the company has had generally high debt management risk by most measures that we evaluated. Get the full T-Mobile US Ratings Report now.

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2. As of noon trading, EMC ( EMC) is down $0.28 (-1.2%) to $23.11 on average volume. Thus far, 9.0 million shares of EMC exchanged hands as compared to its average daily volume of 16.0 million shares. The stock has ranged in price between $23.04-$23.44 after having opened the day at $23.32 as compared to the previous trading day's close of $23.40.

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EMC Corporation develops, delivers, and supports information infrastructure and virtual infrastructure technologies, solutions, and services. EMC has a market cap of $45.8 billion and is part of the computer hardware industry. The company has a P/E ratio of 19.5, below the S&P 500 P/E ratio of 24.4. Shares are down 20.9% year-to-date as of the close of trading on Monday. Currently there are 16 analysts that rate EMC a buy, no analysts rate it a sell, and 8 rate it a hold.

TheStreet Ratings rates EMC as a hold. 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 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 weak operating cash flow. Get the full EMC Ratings Report now.

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1. As of noon trading, Verizon Communications ( VZ) is down $0.23 (-0.5%) to $43.51 on light volume. Thus far, 5.7 million shares of Verizon Communications exchanged hands as compared to its average daily volume of 15.3 million shares. The stock has ranged in price between $43.48-$44.00 after having opened the day at $43.78 as compared to the previous trading day's close of $43.74.

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Verizon Communications Inc., through its subsidiaries, provides communications, information, and entertainment products and services to consumers, businesses, and governmental agencies worldwide. Verizon Communications has a market cap of $179.8 billion and is part of the telecommunications industry. The company has a P/E ratio of 19.0, below the S&P 500 P/E ratio of 24.4. Shares are down 6.5% year-to-date as of the close of trading on Monday. Currently there are 14 analysts that rate Verizon Communications a buy, 1 analyst rates it a sell, and 8 rate it a hold.

TheStreet Ratings rates Verizon Communications as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, increase in net income, good cash flow from operations, expanding profit margins and growth in earnings per share. We feel its strengths outweigh the fact that the company has had generally high debt management risk by most measures that we evaluated. Get the full Verizon Communications 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 technology sector could consider Technology Select Sector SPDR ( XLK) while those bearish on the technology sector could consider ProShares Ultra Short Technology ( REW).