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October 23, 2013  Wed 1:47 AM CT

SPX: SEE CHART GET CHAIN FIND STRATEGIES
Earnings remain the primary catalyst today, with only minor economic reports on the calendar.

Caterpillar, Boeing, General Dynamics, U.S. Airways, and Northrop Grumman issue quarterly results in the morning. Akamai Technologies, Citrix Systems, E*Trade Financial, F5 Networks, AT&T, Teradyne, Terex, and TripAdvisor follow in the afternoon.

Weekly mortgage applications will also be announced at 7 a.m. ET. While activity has slowed recently, yesterday's sharp decline in interest rates could make investors look past another weak number. Export and import prices follow at 8:30 a.m. ET. They're expected to decline 0.1 percent and 0.2 percent respectively and will probably have little impact on sentiment.

The FHFA home price for August follows at 10 a.m. ET but isn't tracked by economists. It rose 1 percent in the previous month.

Crude-oil inventories will be announced half an hour later.
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