Today's the day when the Supremes will probably announce cert. on Parker. Emphasis on "probably," since they make decisions when they want to.
UPDATE: a comment points out this entry on ScotusBlog, which says the Court made no mention of the case in today's orders. As it notes, this can mean almost anything.
Nothing: the Court wants just more time to think it over.
It means to grant cert, and wants to refine the questions it will pose in a cert. grant, which defines what the parties must brief.
Or the vote was to deny cert., and some Justices want time to write dissents from the denial.
So it can be a good sign, a bad sign, or no sign. And nobody but the Court knows.