Shares of Square Enix Holdings Co. tumbled 16% in their biggest decline in 13 years after its president said sales of recent big-budget games disappointed and that it would take years for a recent reorganization to bear fruit.Sales of Final Fantasy VII Rebirth, Final Fantasy XVI and Foamstars — all released exclusively for Sony Group Corp.’s PlayStation in the previous fiscal year — fell short of the Japanese game publisher’s expectations in both revenue and profit, Takashi Kiryu told analysts t...