The Obama administration has another shot at making the case for the mandate during Wednesday's arguments.
Swing Justice Anthony Kennedy left both sides hopeful Tuesday.
Pundits lost no time jumping to conclusions after Tuesday's arguments.
Having the Supreme Court overturn the healthcare law would be "the best thing that ever happened to the Democratic Party because healthcare costs are going to escalate unbelievably," James Carville told CNN.
Some states are already developing plan B if the mandate falls.
France saw the most healthcare IPOs in 20 years this past quarter.