San Diego, CA -- (SBWIRE) -- 05/21/2012 -- An investigation on behalf of investors of VISI shares over possible securities laws violations by Volt Information Sciences, Inc. was announced and current long-term Volt Information Sciences stockholders should contact the Shareholders Foundation. Read the full press release at http://www.sbwire.com/press-releases/volt-information-sciences-inc-pinkvisi-investor-investigation-over-potential-breaches-of-fiduciary-duties-143570.htm