Long before then, though, market laws look likely to prompt changes.

In most cases, she said, a warning is enough to prompt a change.

But the attention the incident received prompted a change in the rules.

And parents said four accidents should be enough to prompt a change in police policy.

With suburban house building, the population in the area started to rise soon after which prompted changes to the local government system.

The series prompted official investigations and major changes in policy.

The child's death prompted sweeping changes in the state's child welfare system.

The case has already prompted changes in state regulations about the hours that residents may work.

Then, in February, came his 90th birthday, which prompted a change of heart.

Q. Has the past year prompted other changes that are important to investors?