Here are some industry-tracking ETFs offered by streetTracks SPDR ETFs:

Homebuilders: XHB
Pharmaceuticals: XPH
Biotech: XBI
Retail: XRT
Semiconductor: XSD
Oil & Gap Equipment & Services: XES
Oil & Gap Exploration & Production: XOP
Metals & Mining: XME

Please also read the footnotes on the page:

Funds investing in a single sector may be subject to more volatility than funds investing in a diverse group of sectors.

In general, streetTRACKS® can be expected to move up or down in value with the value of the applicable index. Although streetTRACKS shares may be bought and sold on the exchange through any brokerage account, streetTRACKS shares are not individually redeemable from the Fund. Investors may acquire streetTRACKS and tender them for redemption through the Fund in Creation Unit Aggregations only, please see the prospectus for more details.

ETFs trade like stocks, are subject to investment risk and will fluctuate in market value.

Shares of the streetTRACKS funds are not insured by the FDIC or by another governmental agency; they are not obligations of the FDIC nor are they deposits or obligations of or guaranteed by State Street Bank and Trust Company. The streetTRACKS funds pay SSgA Funds Management, Inc. for its services as investment advisor, and State Street Bank and Trust Company for its services as custodian, transfer agent and shareholder servicing agent.