Consumers' confidence in the economy grew in August, but spending is still on hold, according to Discover Financial Services.

The Riverwoods, Ill., credit card company's Spending Monitor rose to 87, from 83.5 in July; the index was set at 100 when it was created in 2007. About 31% of consumers surveyed in August said they felt economic conditions were improving, while about 21% said their personal financial conditions were better, the highest percentage since August 2008.

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