 Cetera Advisor Networks LLC increased its holdings in FlahertyCrumrine Prfrd Scts Incm Fd Inc NYSE:FFC by 9.7 in the 4th quarter, Holdings Channel.com reports. The institutional investor owned 76,662 shares of the financial services providers stock after purchasing an additional 6,796 shares during the period. Cetera Advisor Networks LLCs holdings in FlahertyCrumrine Prfrd Scts Incm ... 