WTI, RBOB Tumble After Massive Product Inventory Builds By: TalkMarkets January 05, 2017 at 15:05 PM EST Total crude stockpiles remain over 35% above the five-year seasonal norm. US crude production also picked up and WTI prices tumbled. Read More >> Related Stocks: US Gasoline United States Oil Fund iPath Dow Jones-Goldman Sachs Crude Oil Fund