(ABC News) The individual mandate survives, meaning the 30 million to 50 million uninsured people in the United States can be required to have health insurance or pay a penalty — which experts say should be a big victory for hospitals, insurance providers and others.

Stocks of major insurance companies fell sharply as analysts sorted through the ruling. UnitedHealth Group declined 3 percent, WellPoint almost 6 percent and AFLAC 1.5 percent.

Hospital chains rose. Hospital Corp. of America was up 7 percent. Quest Diagnostics, which runs laboratories, was up 2.5 percent.

Note: Read our discussion guidelines before commenting.