Shares of oil and natural gas companies fell Tuesday as commodity prices slid after Hurricane Gustav failed to deliver an expected harsh blow to the U.S. energy infrastructure.

Shares of oil and gas-related companies fell Thursday after the U.S. government said natural gas in storage rose last week beyond analysts' expectations.

Energy companies and governments prepared on Thursday for a possible major hit on the heart of U.S. offshore oil and natural gas production in the Gulf of Mexico from Tropical Storm Gustav.

It was an ugly first half for the stock market and now that the goal posts have been moved for the economic recovery, expect a rough game in the second half.

As President Bush called for dropping the ban on offshore oil drilling, CNBC asked the experts how to profit from oil.

Natural gas in storage in the U.S. rose roughly in line with expectations last week but is 0.1 percent below the five-year average for this time of year, a government report said Thursday.

As energy concerns remain prevalent across the nation, CNBC asked the experts about investing in natural gas.