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
Liborio	-	Italian
Eha	-	Estonian
Fflur	-	Welsh
Leudoberct	-	Ancient Germanic
Julio	HOO-lyo (Spanish), ZHOO-lyoo (Portuguese)	Spanish, Portuguese
Moore	['muə]