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Wednesday's ETF Winners & Losers

Real estate-related funds are battered by the continued subprime woes.

Real estate-related exchange-traded funds were among the worst decliners Wednesday, as subprime woes continued to swell.

On Wednesday,

Standard & Poor's

said it could cut its rating on $12 billion in securities backed by subprime residential loans, which raised concerns about the ongoing effects of the housing meltdown.

The

iShares FTSE NAREIT Retail

(RTL) - Get Pacer Benchmark Retail Real Estate SCTR ETF Report

ETF was losing $1.29, or 3%, to $42.21. The

iShares FTSE NAREIT Real Estate 50

(FTY)

ETF was down 60 cents, or 1.3%, to $44.79. The

Ultra Real Estate ProShares

(URE) - Get ProShares Ultra Real Estate Report

was off 54 cents, or 1.1%, to $49.91.

Bundled securities tracking semiconductors were also under pressure.

Intel

(INTC) - Get Intel Corporation (INTC) Report

,

Maxim Integrated Products

(MXIM) - Get Maxim Integrated Products, Inc. (MXIM) Report

,

Texas Instruments

(TXN) - Get Texas Instruments Incorporated Report

and

KLA-Tencor

(KLAC) - Get KLA Corporation (KLAC) Report

were losing 1% or more.

Among ETFs, the

Ultra Semiconductor ProShares

(USD) - Get ProShares Ultra Semiconductors Report

was losing $1.13, or 1.3%, to $88.28. The

TheStreet Recommends

SPDR S&P Semiconductor

(XSD) - Get SPDR S&P Semiconductor ETF Report

ETF was down 35 cents, or 0.6%, to $55.03. The

Semiconductor HOLDRs

(SMH) - Get VanEck Vectors Semiconductor ETF Report

was off 24 cents, or 0.6%, to $38.88.

Also trading lower were commodity-related ETFs, as prices for crude oil, gold and silver were on the decline.

The

Market Vectors Gold Miners

(GDX) - Get VanEck Vectors Gold Miners ETF Report

was lower by 29 cents, or 0.7%, to $40.37. The

iShares Silver Trust

(SLV) - Get iShares Silver Trust Report

was down 20 cents, or 0.2%, to $128.50. The

Oil Services HOLDRs

(OIH) - Get VanEck Vectors Oil Services ETF Report

was falling by $1.78, or 1%, to $177.90.

On the winning side, ETFs related to basic materials were the best performers. The

Ultra Basic Materials ProShares

(UYM) - Get ProShares Ultra Basic Materials Report

ETF was higher by $1.80, or 2%, to $94.20. The

iShares Dow Jones U.S. Basic Materials

(IYM) - Get iShares U.S. Basic Materials ETF Report

ETF was adding 84 cents, or 1.2%, to $72.35.

The

B2B Internet HOLDRs

(BHH)

was also gaining ground, thanks to a 1.2% rise in holding

Checkfree

(CKFR)

. The ETF was tacking on 3 cents, or 1.3%, to $2.36.