ARTICLE SYNOPSIS ...Price Changes During Non-Trading Hours by George R. Arrington and Howard E. Arrington One frustrating aspect of trading commodities is the price changes that occur during non-trading hours. It is difficult enough to make a profit when markets are open and buy and sell orders can be executed within a relatively short time. When markets are closed, however, the trader is faced with even more obstacles. Positions cannot be changed until the markets reopen, and in the interim traders are exposed to the risks of changes in circumstances and prices. Most commodities futures markets are open seven ...