Does anyone know for sure what Scottrade's requirements are to trade extended hours? Can you trade extended hours without having a margin account? Or, do you need a margin account to have extended hours?
What do you mean only MMs have the ability to trade after hours? What are MMs??
MM stands for market maker. You can learn what they do here: Market Maker
"The only thing that interferes with my learning is my education." - Albert Einstein
Market maker - Wikipedia, the free encyclopedia
Wikepedia also has more information you can check on.
"Wide diversification is only required when investors do not understand what they are doing." - Warren Buffett
every one has the ability to trade AH...assuming the stock is trading in national market