I'm issuing a Buy for the United States Natural Gas Fund (NYSE: UNG), but there are several qualifiers, so pay attention.

First, UNG, currently trading around $11.50, a low-cost way for the typical investor to invest in natural gas as a commodity, is a high-risk play. Don't Buy UNG if you're a moderate-risk of low-risk investor.

The United States Natural Gas Fund LP (NYSE: UNG) resumed issuing new shares Monday, ending a long drought for the exchange-traded fund (ETF). UNG, which tracks price changes in natural gas, hasn't issued new creation baskets (blocks of 10,000 units) since June, thanks in part to newly enacted position limits on the federal and exchange level.

While it's back to business as usual, traders should still proceed with caution when it comes to this commodity-based fund. UNG warned late Friday that its units are still trading at a premium to its net asset value (NAV), which could spell trouble for investors.

United States Natural Gas Fund (NYSE: UNG) closed at $11.75. The investment objective of UNG is for the changes in percentage terms of the unit's net asset value to reflect the changes in percentage terms of the price of natural gas delivered at the Henry Hub, Louisiana. Natural Gas futures are recently down .45% to 3.743 according to Bloomberg. UNG options were active on September 16 with of 222,361 contracts trading. UNG October option implied volatility of 66 is near its 26-week average according to Track Data.

Financial Select Sector (XLF) overall volatility at 39; 26-week average is 50 according to Track Data.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.

Today was one of those trading days where it felt as though a down-day was certain. A lack of earnings news after the fear of a trade-war with China loomed early on over a tire tariff being passed on. But the market steadied after a initial drop and slowly came back before turning positive in the afternoon session. This was one of those that felt as though the closing bell was again a coin toss right up to the close of the 4:00 bell. Here are today's unofficial closing bell levels:

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What's the latest craze? The iPhone? Kindle? A super-lightweight notebook pc?

All of the above are eye-openers. But one could argue that the biggest craze is the natural gas exchanged-traded fund, the United States Natural Gas Fund (NYSE: UNG).

"After enduring one of the worst slumps on record, we're beginning to see a rebound in all major commodities market," says Lee Lowell, adding "But one commodity stands out in particular -- natural gas."

In Xcelerated Profits Report, he explains, "This could represent the best buying opportunity in several years." Here's his review of the United States Natural Gas Fund (NYSE: UNG).

"As it so often does, it's no surprise to see the energy market leading commodities higher over the past few weeks -- specifically, crude oil and natural gas.

Earnings season was in full bloom this week, and BloggingStocks contributors often made their choices following a company's report. With the exception of very few, the conclusion was to stay away from most stocks, which says a lot about how companies did overall.

Still, there have been a select few that looked like good investment ideas even in these troubled times. So for those who can brave investing during such an earnings season, here are a few ideas from BloggingStocks contributors:

Here's an idea if you are worried about your heating bills this winter. The price of natural gas is crashing. The price decreases last week continued a down trend that's gone on for six months. Why? The economic downturn slows demand for gas and many companies are announcing layoffs and closing plants around the country. Reduced prices for natural gas are also a result of growing capacity in the U.S. because of increases in production at new fields. Natural gas prices are at multi-year lows falling from 65% from more than $13.31 per MMBtu (the way gas is measured) in July 2008 to under $5 -- the lowest since October 13, 2006.

United States Natural Gas (NYSE: UNG) is an exchange-traded fund (ETF) that reflects the price of natural gas in the United States. UNG attempts to mirror the performance, net expenses, of natural gas at the Henry Hub, Louisiana.