As a rippling consequence of the overnight plunge in stock index futures, commodity prices have also shown weakness by backing off recent highs during overnight trading. This chart for soybeans is symbolic of several commodities.
I see this as an opportunity to buy, but much will depend upon what happens in the equities markets and related to the auto company bailout status, which is changing minute by minute. Right now, I like to buy on dips, once I see the commodities bottom out and start to move higher, doing this almost every day.