SHAREHOLDER INVESTIGATION: Halper Sadeh LLC Investigates SP, ORTX, SUM

NEW YORK, Oct. 5, 2023 /PRNewswire/ -- Halper Sadeh LLC, an investor rights law firm, is investigating the following companies for potential violations of the federal securities laws and/or breaches of fiduciary duties to shareholders relating to: SP® Plus Corporation (NASDAQ: SP)'s sale...