One way for investors to protect themselves from a rapid change in the price of a stock is to use a limit order rather than a market order.

Firms need to ensure that their ability to provide effective customer service keeps pace with their growth. If you're marketing your firm to new customers, you better be able to provide them service when they do business with you.

Another misconception is that an order is canceled when you hit 'cancel' on your computer. But, the fact is it's canceled only when the market gets the cancellation.

Arthur Levitt Quotes