There isn't really a mystery here: US Futures market opens up to bitcoin - Satoshi Nakamoto is missing in action/Australia so they interview Litecoin creator Charlie Lee to get his take on the rapid rise of Crypto..
Naturally to be polite & respectful to Charlie & evidence why he's their go-to guy they have all the Litecoin charts on the TV news also and it just happens to be peaking, so that peak = more peaks as millions of Americans pile & in then start telling their friends/family about Litecoin "forget 3% in the bank all year I made 40% overnight lets go!" type stuff
NOW Here is what sort of things America is reading..
"Forget bitcoin, its fourth-biggest rival is up nearly 5,800 percent this year. ... Litecoin, the fourth-largest cryptocurrency in the world by value, has hit a record high and rallied nearly 5,800 percent this year, beating rival bitcoin's rise
no wonder America is buying - the secret is out!
Litecoin price hits record high, up nearly 5,800 percent this year
www.cnbc.com/2017/12/12/litecoin-price-hits-record-high-up-nearly-5800-percent-this-year.htmlAnd here is what millions of Americans are watching on their TV news:
CNBC News even has a ticker titled "LITECOIN WATCH" and the % gains
https://www.cnbc.com/video/2017/12/12/the-man-who-called-the-bitcoin-rally-sees-this-for-litecoin.htmlGdax - the American exchange has been at the top of the trade charts with more than double the Litecoin & ETH trade of the next exchange on most days this week including today - see it here:
https://coinmarketcap.com/currencies/volume/24-hour/ so that's the what the new American markets are flooding in to buy