The West Texas Intermediate (WTI), also known as the Texas light sweet, fell to historic lows since markets opened in Asia. By mid-afternoon, WTI had fallen by 39.52 percent to $11.05 per barrel. Brent had fallen by 6.8 percent to $26.17 during the same time period. This differential can be explained by the fact that in North America storage is filling up fast. Some shale producers offer a physical barrel ...