The April 20 historic oil price crash that sent the prompt May WTI contract plunging to the unheard of price of negative $40 per barrel now seems like ancient history with oil back in the $20s (at least until the June contract matures in 10 days) and stocks are delightfully levitating, but to one trader what happened on that fateful Monday will remain a permanent scar of how everything can go terribly wrong in the blink of an eye. Syed Shah, a 30-year-old daytrader, would usually buy and sell stocks and currencies through his Interactive Brokers account, but on April 20 he couldn’t resist trying his hand at some oil ... (full story)