Article Snippets from another place I post.
Below is a chart (A barebones one) that shows some of the Big Fish behind Bitcoin.
(If you want to delve deeper go here http://www.muckety.com/Bitcoin/5098400.muckety)
Bitcoin is Cryptoworld's "Reserve Currency" much like the USD is currently the "World Reserve Currency."
In market trading one strategy is to locate the big fish and find the direction they swim in. (The parasite system) Their scraps are your food. (If you swim against them you are their food.)
One can be contrarian with Big fish swimming in a contrarian trend ... Like Bitcoin.
The Winklevoss Brothers are working on creating a trading ETF for the stock market. (Will be ready in a few months)
Bitcoin will go crazy then.