What the heck is it?

I wish I thought of this….

So what is this…

The correct answer is 4.

Sarah Meyohas sits in an art gallery in Manhattan with her computer and invests in stocks that are little traded.  She buys them and "manipulates" the price higher. When she stops buying, the price comes back down.  She may do the same thing a few times a day.  At the end of her trading she draws – roughly – what the price journey looked like.  

sumber: