On this week's Assume the Position, Dylan Ratigan looks to Tom, Tony, Liz and Jenny to determine if there are any tradable US headlines. As the Republican Senate plans to roll out changes to healthcare, biotech stocks have seen a boost in implied volatility. What are the most attractive underlyings to fade? Tune in to find out. Plus, Tom interprets the flash-crash in cryptocurrency, Ethereum, and explains why stop orders don't help traders in illiquid products.