NEW YORK, July 10, 2018 (GLOBE NEWSWIRE) -- The Klein Law Firm announces that class action complaints have been filed on behalf of shareholders of the following companies. If you suffered a loss you have until the lead plaintiff deadline to request that the court appoint you as lead plaintiff.

Prothena Corporation (NASDAQ:PRTA)
Lead Plaintiff Deadline: July 16, 2018
Class Period: October 15, 2015 to April 20, 2018

Allegations: Prothena made materially false and/or misleading statements or failed to disclose that: relevant trial data showed that Prothena’s antibody NEOD001, designed to treat amyloid light chain amyloidosis (“AL amyloidosis”), was not an effective treatment; the Company made misleading comparisons of NEOD001’s “best response” rates against certain prior studies; and the Company touted Prothena’s ongoing Phase 1/2 study of NEOD001 as providing a strong basis for late-stage Phase 2b and Phase 3 studies of NEOD001, even though the full Phase 1/2 study data demonstrated that NEOD001 was not an effective treatment.

Get additional information: http://www.kleinstocklaw.com/pslra-c/prothena-corporation-2?wire=3.

A10 Networks, Inc. (NYSE:ATEN)
Lead Plaintiff Deadline: July 27, 2018
Class Period: February 9, 2016 to January 30, 2018

Allegations: The Company’s retail channel was loaded with extremely high levels of unsold Newell product; contrary to defendants’ representations, the build-up of Newell inventory in the retail channel was due to Company-specific rather than macroeconomic reasons; as a result of the unusually high levels of unsold inventory in the retail channel, Newell was exposed to a heightened risk that it would experience slower sales growth in future periods; and undisclosed managerial and cultural differences in the legacy Newell and Jarden businesses had created significant discord that was having a material adverse effect on the Company’s operating performance.

Get additional information: http://www.kleinstocklaw.com/pslra-c/a10-networks?wire=3.

QUALCOMM Incorporated (NASDAQ:QCOM)
Lead Plaintiff Deadline: August 7, 2018
Class Period: January 31, 2018 to March 12, 2018

Allegations: Qualcomm made materially false and/or misleading statements or failed to disclose that: Qualcomm had secretly filed a unilateral notice with CFIUS in order to frustrate Broadcom's attempt to acquire the Company; and investors suffered damages as a result of defendants' wrongful acts and omissions.

Get additional information: http://www.kleinstocklaw.com/pslra-c/qualcomm-incorporated?wire=3.

Sibanye Gold Limited (NYSE:SBGL)
Lead Plaintiff Deadline: August 27, 2018
Class Period: April 7, 2017 to June 26, 2018

Allegations: Sibanye’s safety protocols were inadequate to prevent a high rate of worker death; Sibanye’s mining supervisors routinely forced Company employees to work in unsafe and unlawful conditions; the foregoing issues would foreseeably subject Sibanye to heightened regulatory oversight; and as a result, Sibanye’s public statements were materially false and misleading at all relevant times.

Get additional information: http://www.kleinstocklaw.com/pslra-c/sibanye-gold-limited?wire=3.

Symantec Corp. (NASDAQ:SYMC)
Lead Plaintiff Deadline: July 16, 2018
Class Period: May 20, 2017 - May 10, 2018

Allegations: Symantec's internal controls over financial reporting were materially weak and deficient; Symantec's later disclosed "reporting of certain Non-GAAP measures including those that could impact executive compensation programs" would lead to heightened regulatory scrutiny by the SEC; and as a result, Symantec's public statements were materially false and misleading at all relevant times.

Get additional information: http://www.kleinstocklaw.com/pslra-c/symantec?wire=3.

Joseph Klein, Esq. represents investors and participates in securities litigations involving financial fraud throughout the nation. Attorney advertising. Prior results do not guarantee similar outcomes.

CONTACT:
Joseph Klein, Esq.
Empire State Building
350 Fifth Avenue
59th Floor
New York, NY 10118
[email protected] 
Telephone: (212) 616-4899
Fax: (347) 558-9665
www.kleinstocklaw.com