Telemarketing: Sorry, Wrong Numbers

As telemarketers' income falls, investors hang up

If you've ever wished a dire fate on those telemarketers who interrupt your dinners and weekends with calls hawking everything from credit cards to time-share condominiums, you may see your wish come true. After years of rapid growth and healthy earnings, the biggest companies in the $90 billion telemarketing industry are running into heavy static.

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