Bucket is etymologically related to Buck. Bucket is a synonym of Speed. Speed is a synonym of Accelerate. Accelerate is a synonym of Hurry. 
Trading is related to Sale. Sale is related to Big. Big is related to Bear. 
Buck <--EtymologicallyRelatedTo-- Bucket <--Synonym--> Speed <--Synonym--> Accelerate <--Synonym--> Hurry 
Trading <--RelatedTo--> Sale <--RelatedTo--> Big <--RelatedTo--> Bear 