Dips in energy prices, metals and soft commodities are part of a short-term correction in a long-term bull run supported by enduring fundamentals, according to commodities experts.
Inflation in the US hit a 17-year high in July as the high cost of fuel hit consumers' wallets.
Oil prices are easing after meteorologists predicted Hurrican Dolly would not pose a threat to offshore oil platforms.
FTSE 100 tracker funds are overexposed to fluctuations in commodity prices, hampering investors' diversification, according to DigitalLook.com.
Billionaire investor George Soros says the oil price "bubble" has aggravated the prospects of a US recession.
Lehman Brothers has warned the oil sector could be heading for a crisis similar to the dot.com collapse of 2001.
Oil firm Shell has reported annual profits of £13.9bn ($27.56) for 2007, a record for a UK-listed company.
The pound's slide has gathered pace, pushing the UK currency to its weakest level in well over four years and to an all-time low against the euro, The Telegraph reports.
Oil prices have reached another record high of over $92 per barrel as supply fears increased.
Oil prices have today hit record levels of over $87 a barrel due to conflicts in the Middle East and concerns over output.