Float is a type of Stock. Stock is a type of Equip. Invest is a type of Equip. Invest is a synonym of Commit. 
Appreciation is a type of Thanks. Thanks is a form of Thank. Thank is the opposite of Please. Please is a type of Satisfy. 
Float --IsA--> Stock --IsA--> Equip <--IsA-- Invest <--Synonym--> Commit 
Appreciation --IsA--> Thanks --FormOf--> Thank <--Antonym--> Please --IsA--> Satisfy 