 Alliancebernstein L.P. boosted its holdings in shares of Central Federal Co. NASDAQ:CFBK by 0.4 in the 1st quarter, according to its most recent disclosure with the Securities and Exchange Commission SEC. The fund owned 436,018 shares of the savings and loans companys stock after purchasing an additional 1,856 shares during the period. Alliancebernstein L.P. owned ... 