Was the primary reason the fall in the copper price or the fact...

Was the primary reason the fall in the copper price or the fact they rose interest rates again, thus further pulling the handbrake on resi housing. It seems apparent that whenever the Chinese want to pull or push commodity prices this is the lever they seem to pull. At the start of 16 they lowered lending criteria which seemed to kick start the leg up in prices because there own workforce was suffering. 2 months ago they tightened purchasing guidelines which resulted in the plunge from 94 to about where it is now. This week after some solid recovery in commodity prices they increase interest rates and the following day futures fell off a cliff. Seems the only influence on the price of ore is the Chinese authorities who seem to be able to allow it to climb or reign it in immediately at the flick of a switch. As mentioned the Chinese have some big plans coming up - monsterous cities to be built, logistic infrastructure combined with growing demand from Japan, Korea India and America if trump can deliver. The cynical side of me thinks they've tightened the screws before the next couple of announcements to start the climb again from 60 rather than leave it go 100 plus from a platform of 80/90