What led to this fall's oil price slide — and what might come next

The benchmark North American crude blend known as West Texas Intermediate, or WTI, slid below $70 US a barrel on Tuesday, down from late September when the price hovered around $90.

What led to this fall's oil price slide — and what might come next
Two pumpjacks are seen, with a rainbow pictured in the background.

The benchmark North American crude blend known as West Texas Intermediate, or WTI, slid below $70 US a barrel on Tuesday, down from late September when the price hovered around $90.