When it comes to commodity indexes, the S&P GSCI is far and away the leader. More than $100 billion in assets is tied to this index, including nearly $2 billion split between two popular exchange-traded products: the $1.7 billion iShares S&P GSCI Commodity-Indexed Trust (NYSE Arca: GSG) and its smaller cousin, the $121 million iPath S&P GSCI Total Return Index ETN (NYSE Arca: GSP).

Corn hit by a double whammy of higher-than-expected inventories and plantings; other grains fared better.

Natural gas prices move back toward $4 as forecasts for warm temperatures fail to offset a large storage injection and economic head winds.

Two new products aim to make betting on contango easier than ever.

Natural gas put in a huge double-digit advance this week, as inventory concerns more than offset bearish production figures.

While big, the 105 bcf injection reported by the EIA on Thursday does not materially change this summer’s natural gas outlook.

Gold and palladium—not silver and platinum—offer investors long-term value right now, says SocGen's director of Metals Research.

It's not all about GLD and SLV.

Bigger isn't always better. Which three smaller energy plays have caught investors' attention now?