Wednesday's ETF Winners & Losers

Utility-related exchange-traded funds were among the worst performers of Wednesday's market, sinking on the decline in some big names.

Exelon(EXC Quote), PG&E(PCG Quote) and Centerpoint Energy(CNP Quote) were all losing close to 2%.

The Ultra Utilities ProShares(UPW Quote) was shedding $2.67, or 3.1%, to $84.23. iShares S&P Global Utilities(JXI Quote) was declining $1.36 or 2.1%, to $62.87. Utilities HOLDRs(UTH Quote) was off $2.08, or 1.4%, to $143.45. Vanguard Utilities ETF(VPU Quote) was losing $1.28, or 1.5%, to $84.52.

Funds tracking basic materials also were down. Copper futures were falling 6 cents to $3.39, and mining stocks for companies such as Rio Tinto(RTP Quote) were declining about 3%.

The Ultra Basic Materials ProShares(UYM Quote) was losing $2.55, or 2.8%, to $89.86. The SPDR S&P Metals & Mining(XME Quote) was declining $1.33, or 2%, to $65.18. The iShares Dow Jones US Basic Materials(IYM Quote) was off $1.03, or 1.4%, to $70.32.

Bundled securities tracking real estate also suffered, after the National Association of Realtors said it expected home sale prices to fall more than previously expected.

The iShares Dow Jones US Home Construction (ITB Quote) was falling 63 cents, or 1.7%, to $36.05. The Ultra Real Estate ProShares(URE Quote) was losing 39 cents, or 0.7%, to $59.87.

On the flip side, oil and natural gas funds were among the few winners Wednesday. The front-month crude contract was up 34 cents to $65.95, and natural gas futures were up 5 cents to $8.11. Both traded up after news broke that Turkish troops had crossed into northern Iraq in pursuit of Kurdish guerillas.

United States Natural Gas(UNG Quote) was adding 42 cents, or 0.8%, to $52.87. United States Oil(USO Quote) was tacking on 36 cents, or 0.8%, to $50.38. The iPath Goldman Sachs Crude Oil Index(OIL Quote) was edging up 28 cents, or 0.7%, to $36.87.