Jay J. Gruenebaum, of Zanesville, Ohio, a stockbroker formerly registered with Stifel, Nicolaus & Company, was permanently barred from associating with any Financial Industry Regulatory Authority (FINRA) member in any capacity after consenting to findings that he obstructed a FINRA investigation into allegations that Gruenebaum mishandled customer accounts. Letter of Acceptance, Waiver and Consent, No….