NEW YORK, July 20, 2017 /PRNewswire/ -- Attorney Advertising -- Bronstein, Gewirtz & Grossman, LLC is investigating potential claims on behalf of purchasers of Quanta Services, Inc. ("Quanta" or the "Company") (NYSE: PWR). Such investors are encouraged to obtain additional information and assist the investigation by visiting the firm's site: www.bgandg.com/pwr.

The investigation concerns whether Quanta and certain of its officers and/or directors have violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934.

On August 5, 2015, Quanta revealed that it had encountered "engineering issues" at its Alaskan power plant project and that, effectively, it would record the project as a loss. Quanta also revealed management changes at the project. Following these revelations, Quanta stock dropped $4.22 per share, or 15.4%, to close at $23.11 on August 5, 2015.

If you are aware of any facts relating to this investigation, or purchased Quanta shares, you can assist this investigation by visiting the firm's site: www.bgandg.com/pwr. You can also contact Peretz Bronstein or his Investor Relations Analyst, Yael Hurwitz of Bronstein, Gewirtz & Grossman, LLC: 212-697-6484.

Bronstein, Gewirtz & Grossman, LLC is a corporate litigation boutique. Our primary expertise is the aggressive pursuit of litigation claims on behalf of our clients. In addition to representing institutions and other investor plaintiffs in class action security litigation, the firm's expertise includes general corporate and commercial litigation, as well as securities arbitration. Attorney advertising. Prior results do not guarantee similar outcomes.

Contact:
Bronstein, Gewirtz & Grossman, LLC
Peretz Bronstein or Yael Hurwitz
212-697-6484 | info@bgandg.com

View original content with multimedia:http://www.prnewswire.com/news-releases/shareholder-alert-bronstein-gewirtz--grossman-llc-announces-investigation-of-quanta-services-inc-pwr-300491648.html

SOURCE Bronstein, Gewirtz & Grossman, LLC