NEW YORK (TheStreet) -- Welcome to Don Dion's "ETF Winners and Losers." Be sure to stop by throughout the week to find out which ETFs are gaining or losing.

Winners

iPath Dow Jones UBS Natural Gas Subindex Total Return ETN

(GAZ) - Get Report

14.6%

Investors unaware of the impact a premium can have on a fund's performance need only look at the divergence seen from futures-backed exchange traded products today. Whereas the

United States Natural Gas Fund

(UNG) - Get Report

is dipping to standout losses, the GAZ, which is boasting an 80% premium, is surging higher.

Some may be enticed by these gains, but for long-term investors, the risks of holding this product are great. In the event that the premium is wiped out, the fund will tumble back to its underlying index, sending investors to a loop. Those looking to truly track the performance of natural gas should steer clear.

PowerShares DB Base Metals Fund

(DBB) - Get Report

4.2%

The U.S. marketplace has managed to power higher at the start of this shortened trading week, helping the

Dow Jones Industrial Average

push through the 13,000 level for the first time since May 2008. A boost of confidence has driven investors back into market-correlated assets like base metals and industry-linked precious metals. The

ETFS Physical Palladium Shares

(PALL) - Get Report

is up nearly 4% in early afternoon trading.

Metals producers are benefiting as well. Both the

Market Vectors Junior Gold Miners ETF

(GDXJ) - Get Report

and the

Global X Copper Miners ETF

(COPX) - Get Report

are in solid positive territory.

Market Vectors Vietnam ETF

(VNM) - Get Report

2.1%

The Vietnam ETF continues to push higher, locking in its third consecutive day of gains. The upward action seen at the start of the week has pushed VNM through its 200-day moving average for the first time since this time last year. It will be interesting to see if the fund can stay buoyed above this region.

Losers

iShares NASDAQ Biotechnology Index Fund

(IBB) - Get Report

-1.7%

Today's downturn is IBB's second in a row. Throughout February, the fund has witnessed three periods of multi-day losses as it struggled to maintain the heights seen during the opening weeks of 2012.

In the coming days, it will be interesting to see where this fund goes next. Given its recent back-and-forth action, investors may want to watch on the sidelines for now.

iShares Cohen & Steers Realty Majors Index Fund

(ICF) - Get Report

-1.7%

Pain can be felt across a wide collection of top real estate investment trusts, leading ICF to some notable losses. At the same time that REITs are sliding, the homebuilders are also heading lower. The SPDR S&P Homebuilder ETF is off nearly 1% in early afternoon trading.

Teucrium Corn ETF

(CORN) - Get Report

-1.2%

Corn futures prices are taking a hit at the start of the week, pushing CORN and other grains-focused exchange traded products to notable losses. The

iPath Dow Jones UBS Grains Subindex Total Return ETN

(JJG) - Get Report

is off around 1%.

Corn's weakness is not enough to drive the broad-based

PowerShares DB Agriculture Fund

(DBA) - Get Report

into negative territory. This futures-backed fund has enjoyed four consecutive days of gains.

All prices as of 2:11 PM EST

Written by Don Dion in Williamstown, Mass.

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At the time of publication, Dion Money Management did not own any equities mentioned.