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This Week's ETF Winners & Losers

Housing-related ETFs are among the weakest performers.

Just as M&A headlines boosted the broader markets for the week, Internet-related exchange-traded funds benefited from rumors of a potential blockbuster deal between two tech titans.

The Internet sector was buzzing on Friday, thanks to word that



could have a suitor -- and it's a big one. According to the

New York Post



(MSFT) - Get Microsoft Corporation (MSFT) Report

wants Yahoo! to enter formal discussions for what the report said could be a $50 billion deal.

Yahoo! surged 10% on Friday to finish the week with a 9.3% gain.

Quarterly earnings beats also powered the tech sector. Earlier in the week,


(RNWK) - Get RealNetworks, Inc. Report

posted a profit that beat Thomson First Call's average EPS target by a nickel. RealNetworks jumped 13.3% over the five sessions.


Internet HOLDRs


was the best performer of the week, adding 3.7% to $62.10. The

First Trust Dow Jones Internet Index

(FDN) - Get First Trust Dow Jones Internet Index Fund Report

climbed 1.2% to $25.14.

Meanwhile, strong earnings from


(SYMC) - Get Symantec Corporation Report

on Wednesday boosted the

Internet Architecture HOLDRs


by 2% to $45.20.


HealthShares Emerging Cancer

TheStreet Recommends


ETF was another of the week's winners.



has surged 28% over the last five sessions on expectations the Food and Drug Administration will approve the company's prostate cancer vaccine Provenge. A decision is due May 15.

The HealthShares Emerging Cancer ETF finished the week higher by 1.7% to $26.91.

On the losing side, a drop in crude prices for the week sank energy-related ETFs. The June crude contract finished a volatile five-day stretch lower by 6.8% at $61.93 a barrel.


United States Oil

(USO) - Get United States Oil Fund LP Report

shed 6.8% to $48.30. The

iPath Goldman Sachs Crude Oil Index

(OIL) - Get iPath Series B S&P GSCI Crude Oil ETN Report

ETF fell 6.7% to $35.34, and the

ProShares DB Oil

(DBO) - Get Invesco DB Oil Fund Report

was lower by 2.3% at $26.02.

Housing-related ETFs were also among the weakest performers of the week. On Tuesday, the National Association of Realtors said pending home sales fell 4.9% in March, compared with a 0.7% rise the previous month. Sales are now down 10.5% on a year-over-year basis.


iShares Dow Jones U.S. Home Construction

(ITB) - Get iShares U.S. Home Construction ETF Report

ETF slid 2.2% at $36.26. The

SPDR Homebuilders

(XHB) - Get SPDR S&P Homebuilders ETF Report

ETF ended the week down 1.8% to $34.41.

ETFs tracking silver were among the worst performers. Silver futures dipped 0.3% to close at $13.53 an ounce. The

iShares Silver Trust

(SLV) - Get iShares Silver Trust Report

lost 0.8% to $133.80, and the

PowerShares DB Silver

(DBS) - Get Invesco DB Silver Fund Report

ETF shed 0.7% to $26.69.