"The unreasonably high standard carries the high price of blocking many meritorious claims of securities fraud that protect the market, well-run businesses and investors, " the states said.

FORBES: Supremes Back Businesses In Investor Suits

But imposing price controls, or blocking a company from entering a market, must be regulatory moves of last resort.

ECONOMIST: Tests for television

If there is an issue with price movement, surely governments around the world should look to stop blocking the most efficient methods of growing hardy crops that can stand up to weather extremes.

FORBES: China Tackles Inflation. Food Prices Rising. Good For Monsanto & Syngenta.