Exchange-traded funds tracking precious metals were among the few winners of a losing session Friday, as gold and silver prices were on the rise.

Recently, gold futures were adding $5.50 to $683.60 an ounce, and silver was higher by 7 cents to $13.44 an ounce.

The PowerShares DB Base Metals ( DBB) ETF rose 42 cents, or 1.5%, to $28.66. The iShares Silver Trust ( SLV) was up $1.44, or 1.1%, to $133.13. The PowerShares DB Gold ( DGL) was adding 26 cents, or 1%, to $26.97. The iShares Comex Gold Trust ( IAU) ETF was climbing by 52 cents, or 0.8%, to $67.64.

Bundled securities following U.S. Treasuries were also higher, as bonds rallied Friday. The 10-year note was up 19/32 in price, yielding 4.94%, and the 30-year bond was higher by 28/32, yielding 5.05%.

The SPDR Lehman Long-Term Treasury ( TLO) ETF was higher by 46 cents, or 0.9%, to $49.98. The iShares Lehman 20+ Year Treasury Bond ( TLT) ETF was adding 75 cents, or 0.9%, to $85.94. The iShares Lehman 10-20 Year Treasury Bond ( TLH) ETF was up 55 cents, or 0.6%, to $98.24.

Meanwhile, homebuilders were the worst decliners of the day after KB Home ( KBH) CEO Jeffrey Mezger said that he does not expect the housing market to bottom until late 2008. Among individual names, KB Home, Centex ( CTX), Hovnanian ( HOV), Toll Brothers ( TOL) and Lennar ( LEN) were all lower by 3% or more.

The iShares Dow Jones U.S. Home Construction ( ITB) ETF was losing $1.06, or 3.4%, to $30.14. The SPDR S&P Homebuilders ( XHB) was down 86 cents, or 2.8%, to $29.49. The PowerShares Dynamic Building & Construction ( PKB) was lower by 59 cents, or 2.8%, to $20.85.

Financial-related ETFs were also among the worst decliners. Morgan Stanley ( MS), Merrill Lynch ( MER), Lehman Brothers ( LEH) and Ameriprise Financial ( AMP) were all slumping by 3.1% or greater.

The Ultra Financials ProShares ( UYG) ETF was shedding $1.79, or 2.8%, to $62.56. The iShares Dow Jones U.S. Broker-Dealers ( IAI) ETF was recently down $1.23, or 2.2%, to $54.30. The Regional Bank HOLDRs ( RKH) was falling by $2.70, or 1.7%, to $152.40.

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