Spider

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Related to Surface Web: Deep Web

Spider

See: SPDRs

Spider

Also called a Standard & Poor's Depositary Receipt or a SPDR. An exchange-traded fund that tracks the Standard and Poor's 500. The organization issuing the SPDR owns each of the stocks traded on the S&P 500 in approximate ratio to their market capitalization. SPDR shares can be bought, sold, short-sold, traded on margin; they generally function as if they were stocks. Dividends are paid quarterly and are based on the accumulated dividends of all the stocks represented in the SPDR, less any expenses. Investors use SPDRs (and indeed all exchange-traded funds) as a way to easily diversify their portfolios at relatively low cost. Investors also see the demand for SPDRs as an indicator of which direction the market believes the S&P 500 is going. See also: Mid-Cap SPDR.

spider

References in periodicals archive ?
The following are the differences between Surface Web and Deep Web (Bergman, 2001)
But ever since Google started indexing such documents, this material has migrated from the deep Web to the surface Web.
com) estimates that what it calls the "Deep Web" is 500 times larger than the surface Web and is growing at a much faster pace.
Coupled with the Web indexing capabilities of Excalibur(TM), BrightPlanet's Harvest Engine(TM) will provide unparalleled access to the internet and internal content, allowing the harvest of Deep Web, Surface Web, and internal file systems, without restrictions due to language or file type.
While the site itself is hosted on the dark web, some of the videos on the site are still hosted on the surface web, meaning those playing the videos are leaving t