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- US stocks fell on Monday as traders took in Moody's outlook for the US credit rating.
- The agency downgraded its outlook from "stable" to "negative" as concerns over the US debt build.
- Investors are also looking to October inflation data, which will come out on Tuesday.
US stocks fell on Monday as investors took in Moody's US credit rating outlook and looked ahead to fresh inflation data coming out on Tuesday.
On Friday, Moody's Investors Service cut its outlook for the US credit rating from "stable" to "negative," signaling that a downgrade to the current AAA rating is possible.