West Texas Intermediate sold for $105 a barrel at the start of July, but ended last week at $58. The most important factor has been surging U.S. production . But another reason oil prices have slid so much is weakness in demand for the product, which may be related to a slowdown of overall world economic growth. Here I comment on the importance of that second factor. Price of crude oil (West Texas Intermediate, dollars per barrel). Source: FRED. For example, the price of copper fell from $3.27/pound to $2.93, a 10% drop over those same six months. This of course has nothing to do with the success of people in getting more oil out of rocks in Texas. Softness in demand for commodities like copper and oil may be one indicator of new weakness in the world economy. Price of copper (NYMEX, dollars per pound). Source: Investing.com. The […]