The term Acquisition is the act of contracting or assuming or acquiring possession of something; “the acquisition of wealth”; “the acquisition of one company by another”. In easy word acquiring the company which are in not able to run the firm (fall-down).
There are many uncountable companies which came to business world and and fall-down from the business market.If interested some other company will take over.
So friends here is the simple trick to find which company acquired which one.