NEW YORK, March 28, 2017 /PRNewswire/ --

Stock-Callers.com explores the Wireless Communications industry, with focus on TIM Participacoes S.A. (NYSE: TSU), SK Telecom Co. Ltd (NYSE: SKM), Ubiquiti Networks Inc. (NASDAQ: UBNT), and Telephone and Data Systems Inc. (NYSE: TDS). These companies operate and maintain switching and transmission facilities to provide telecommunications services via airwaves. Sign up today and download for free the research reports for the stocks covered today at:

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TIM Participacoes  

Rio de Janeiro, Brazil headquartered TIM Participacoes S.A.'s stock finished Monday's session 1.22% lower at $16.19 with a total trading volume of 595,061 shares. The Company's shares have advanced 3.06% in the past month, 40.91% in the previous three months, and 37.20% since the start of this year. The stock is trading 6.57% above its 50-day moving average and 25.22% above its 200-day moving average. Additionally, shares of TIM Participacoes, which through its subsidiaries, provides mobile telecommunication services in Brazil, have a Relative Strength Index (RSI) of 57.28. TSU complete research report is just a click away at:

http://stock-callers.com/registration/?symbol=TSU SK Telecom  

On Monday, shares in Seoul, South Korea headquartered SK Telecom Co. Ltd recorded a trading volume of 901,360 shares, which was above their three months average volume of 645,280 shares. The stock ended the session 0.19% higher at $25.77. The Company's shares have advanced 13.32% in the last one month, 19.69% in the previous three months, and 23.30% on an YTD basis. The stock is trading 13.94% above its 50-day moving average and 17.96% above its 200-day moving average. Moreover, shares of SK Telecom, which provides wireless telecommunications services in South Korea, have an RSI of 80.50.

On March 01st, 2017, SK Telecom announced that "oksusu," its mobile IPTV service jointly operated with SK Broadband, was recognized by the GSMA as the "Best Mobile Video, TV or Film App" category at the Global Mobile Awards 2017 at Mobile World Congress 2017. The complimentary report on SKM can be downloaded at: http://stock-callers.com/registration/?symbol=SKM Ubiquiti Networks  

San Jose, California headquartered Ubiquiti Networks Inc.'s shares closed the day 0.36% lower at $50.49. The stock recorded a trading volume of 449,353 shares. The Company's shares have gained 1.81% in the last month. The stock is trading 1.68% below its 200-day moving average. Additionally, shares of Ubiquiti Networks, which develops networking technology for service providers and enterprises worldwide, have an RSI of 42.72. Sign up for your complimentary report on UBNT at:

http://stock-callers.com/registration/?symbol=UBNT Telephone and Data Systems  

Shares in Chicago, Illinois headquartered Telephone and Data Systems Inc. finished 0.55% lower at $25.20. The stock recorded a trading volume of 418,755 shares. The Company's shares are trading below their 200-day moving average by 10.30%. Furthermore, shares of Telephone and Data Systems, which provides wireless, wireline, cable, and hosted and managed services in the US, have an RSI of 32.14.

On March 20th, 2017, Telephone and Data Systems announced that Kim D. Dixon, 54, has been nominated for election to the board of directors. Dixon will stand for election as an independent director at the Company's annual meeting of shareholders, to be held on May 25th, 2017.  Download the research report for free on TDS at:

http://stock-callers.com/registration/?symbol=TDS

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