From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
If you want to sell unregistered or restricted stocks and securities, the SEC wants you to follow some rules. For example, you might have to hold onto the stocks for a while before trading or selling (that's Rule 144).