Crude dipped below $100 for the first time in nearly a month on an expected stocks build.
Analysts polled by Platts say the EIA will announce tomorrow that supplies increased up by 2.3 million barrels, compared with a build of just 0.1 million barrels last week.
This week, oil has declined nearly 3%. Commodities across the board have also been flagging of late in line with the ongoing slow down in China. Copper is down more than 4%, while platinum is off more than 1%.
Here's the chart for crude: