The ongoing credit crisis drove down small-business owners' confidence in the economy this month, according to Discover Financial Services.

The Riverwoods, Ill., credit company reported Monday that its September Small Business Watch index fell 12.3 points from August, to 74.6. The index was pegged at 100 when it was introduced in 2006.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.