Equinix (EQIX), like Digital Realty, is a data center company that counts Facebook among its customers.

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Equinix Inc. (EQIX) is one of my least favorite stocks held by mid-cap blend ETFs and mutual funds and earns my very dangerous rating.

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That kind of continuous service is only to be expected, says Margie Backaus, Chief Business Officer at 365 Main competitor Equinix (nasdaq: EQIX - news - people ).

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