Buffett's favorite holding period is forever. Cuban points out that non-dividend stocks aren't much more than baseball cards. Kiyosaki argues that the reason people suffer financially is that they purchase liabilities and list them under the asset column.
The difference between investing and speculating is whether you get paid for owning it or only for finding a greater fool to relieve you of it. The wheels have come off the equities market because management has realized putting on a convincing show for speculators nets more dumb money than actually succeeding as a business worth owning.