drive a price up

and force something up

to force the price of something upwards. Someone is buying a lot of gold and driving the price up. They are driving up the price.

Name	Pronounced	Usage
Aberash	-	Eastern African, Amharic
Gwenhwyfar	-	Welsh Mythology, Arthurian Romance
Calixtus	-	Late Roman
Aman	['æmən]
Elissa (2)	-	English
Thyrza	-	Dutch