1)announcement of Chicago Mercantile Exchange’s decision to offer Bitcoin futures. [1]
2)now Wall Street more than one reason to put faith in Bitcoin and thus the demand has skyrocketed, along with the price.
Drop Reasons
1) SEC noted that Bitcoin had “fundamental flaws” that made it a “dangerous asset class to force into an exchange traded structure.”
3)The SEC has maintained their position on a Bitcoin ETF, stating that it is not on the cards while they continue to watch its volatility and nature.
Source
https://cointelegraph.com/news/the-what-and-why-bitcoin-price-reached-7000
[1]https://cointelegraph.com/news/sec-may-still-approve-etfs-waiting-for-more-stability-lawyer
Bitcoin price increased to $7,000 because the world biggest exchange called CME announced they will launch bitcoin trading on their platform by the end of this year. That is why a lot of investors everywhere around the world are putting their money into bitcoins - planning to start trading bitcoins on CME when they later launched bitcoin trading on their platform.