US oil prices crashed to a record low falling in the negative territory for the first time. The May contract for West Texas Intermediate (WTI), a benchmark for US oil, fell over 300 percent to trade at -$37.63.Oil prices spiralled out of control primarily due to the steep collapse in demand as life came to a standstill due to lockdown in various countries. Watch CNBC-TV18's Manisha Gupta explain the factors behind the WTI historic crash, the difference between WTI & Brent crude and why is WTI fa