The day ahead: Thursday
* The market is looking at IBM for signs of improvement in corporate technology spending and comments on the company’s M&A strategy.
* Google’s earnings are expected to show that the worst of the advertising slump has passed, and that the search engine is seeing a recovery in demand from advertisers.
* Results are also expected from Citigroup, Harley-Davidson and Advanced Micro Devices.
* Consumer prices for September in the U.S. are expected to have risen 0.2 percent from August.