Bitcoin plummets after the deployment of U.S. nuclear submarines.
A clash of statements between Donald Trump and former Russian President Dmitry Medvedev is unsettling financial markets.
Bitcoin returns to prices not seen since July 10.
Global tensions over a possible military escalation worry investors.
The President of the United States, Donald Trump, ordered the deployment of two nuclear submarines in response to what can be interpreted as a threat from former Russian President and current Vice Chairman of the Security Council of Russia, Dmitry Medvedev.
