 NEW YORK--BUSINESS WIRE--Siebert Financial Corp. NASDAQ: SIEB Siebert, a provider of financial services, today announced that it has signed a non-binding letter of intent with Tigress Holdings, LLC whereby Siebert will purchase 24 of the outstanding membership interests in Tigress Financial Partners Tigress. Tigress is the nations only disabled and woman-owned financial services firm providing institutional and high net worth investors with expertise in investment banking, capital 