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Tuesday's ETF Winners & Losers

Funds tracking precious metals were among Tuesday's top performers.

The

PowerShares Lux Nanotech

(PXN)

exchange-traded fund was one of the best performers of Tuesday's session, thanks to a surge in shares of

Altair Nanotech

(ALTI)

.

Before the session began, Altair held a successful demonstration of its all-electric vehicle in Norway. Shares surged 43% on the news, and the ETF jumped 41 cents, or 2.3%, to $18.23.

Bundled securities tracking gold and silver futures were also among the winners. After starting the day lower, gold prices were up $4.50 to $739.70 an ounce and silver rallied 29 cents to $13.59 an ounce.

The

iShares Silver Trust

(SLV) - Get Report

was higher by $1.70, or 1.3%, to $133.58. The

Market Vectors Gold Miners

(GDX) - Get Report

ETF was up 69 cents, or 1.6%, to $45.31. The

SDPR S&P Metals & Mining

(XME) - Get Report

rose $1.46, or 2.3%, to $65.56. The

PowerShares DB Silver

(DBS) - Get Report

was gaining 35 cents, or 1.3%, to $26.40.

Oil-related ETFs also gained ground, as crude oil jumped above the $80 level again. Recently, the November crude contract was up $1.84 to $80.86 a barrel.

The

Ultra Oil & Gas ProShares

(DIG) - Get Report

added $3.24, or 3%, to $112.93. The

iPath S&P GSCI Crude Oil Index

(OIL) - Get Report

was up $1.08, or 2.4%, to $45.84. The

United States Oil

(USO) - Get Report

ETF was gaining $1.11, or 1.8%, to $61.87.

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On the other hand, ETFs tracking the chip sector were under pressure. Among individual names,

KLA-Tencor

(KLAC) - Get Report

,

Applied Materials

(AMAT) - Get Report

,

Xilinx

(XLNX) - Get Report

and

Linear Technology

(LLTC)

all were sliding.

The

SPDR S&P Semiconductor

(XSD) - Get Report

was down $1, or 1.8%, to $54.43. The

Ultra Semiconductor ProShares

(USD) - Get Report

was off $1.99, or 2.2%, to $87.40. The

PowerShares Dynamic Semiconductors

(PSI) - Get Report

shed 24 cents, or 1.3%, to $18.75.

Telecom and wireless ETFs were also losing ground after

Sprint Nextel

(S) - Get Report

said late Monday that CEO Gary Forsee will step down immediately. Shares of Sprint were losing 2.5% to $18.03.

The

Broadband HOLDRs

(BDH)

slipped 7 cents, or 0.4%, to $16.01. The

Wireless HOLDRs

(WMH)

was down 43 cents, or 0.6%, to $77.17.