Why are there people so damn desperate to keep the price below 400? What are they afraid of? What do they want?
[...] a giant ponzi scheme.
You described the stock market.
close you could fairly say I'm describing a lot of penny stocks, however a typical stocks value isn't an arbitrary figure as a profitable company adds value to the stock in terms of re-investing in the underlying business and to share holders in the form of dividends.
It is still the same. For each seller there is a buyer. Its a zero sum game depending on how people value the item traded. No more, no less.