By Purvi Agarwal and Lisa Pauline Mattackal (Reuters) – Wall Street’s main indexes inched higher on Wednesday after in-line consumer price inflation data kept the U.S. Federal Reserve on track to deliver another interest rate cut in December. The consumer price index rose 0.2% in October for the fourth straight month, the Labor Department’s Bureau of Labor Statistics said, and advanced 2.6% on an annual basis. Excluding the volatile food