Commodities pain spreading as Caterpillar retrenches By: CNBC.com News September 24, 2015 at 12:25 PM EDT Caterpillar is the latest casualty of the global commodities selloff, a downward spiral that's not likely to end any time soon. Read More >> Related Stocks: Apache Corp Caterpillar Freeport-McMoRan Glencore International Plc ADR Marathon Oil Transocean Ltd