IMO, that is one of the biggest psyche jobs (and eventually, pump jobs) out there. People see the big bids and "think" that demand is high and prices will rise. IMO, more often than not, prices later fall.
Article I, Section. 10. No State shall...make any Thing but gold and silver Coin a Tender in Payment of Debts;...or Law impairing the Obligation of Contracts [ask GM bondholders!].