I have no doubt that US is the global leader in Bitcoin trading.....
Hate to break it to you, but you're wrong. Checkout this:
http://bitcoincharts.com/markets/Notice the top two exchanges
by volume are Chinese, with OKcoin being ~4x bigger than the closest US based exchange. Maybe a few years ago the US was top - but as usual over there, over regulation & ridiculous licensing laws have scared businesses away to other shores.....
Edit: But you're right about coinfinance being the purveyor of crap news......