Well, I think the Supremes work at their own pleasure and have total control over the timing and granting or denying of a Petition for a Writ of Certerrori.
But typically I believe whenever there is an "emergency situation" involving major economic importance to the nation (e.g., the rent moratorium) they usually step in expeditiously. Here, the CFPB has already put the "Payday lending Rule" on hold since the lawsuit was filled and this may or may not qualify as an expeditious matter.
Market Data 
Markets 
AI
