I say don't overreact; cool your jets. Focus on things that you can control: your business, your employees' welfare, your guests, and the quality of the product that you dish up. Do that, keep your chin down, pay attention to business, and the sun will come up tomorrow. That's the way I figure it.
In the last 680 million years of the four and a half billion that this planet has existed, life has been determined by two principal forces: the warmth and the diffused energy of the sunlight coming through our atmosphere, and water. Those are the primordial forces of life - sunlight and water.
I have very little respect for the integrity of the trading on the exchange in most stocks. And I have particular disdain for the fact that the SEC has failed to deal with high-frequency traders who are doing nothing more than taking advantage of inside information, a buy or a sell order, because of technology advantages.