U.S. stock index futures edged higher on Friday ahead of an inflation report that could likely strengthened the case for an aggressive policy tightening by the Federal Reserve, while Oracle Corp. jumped on an upbeat third-quarter outlook. Shares of the enterprise software maker gained 11.2 percent in premarket trading after posting forecast-beating results for the second quarter, helped by higher technology spending from businesses looking to support hybrid work. The Labor Department’s data, due at 8:30 a.m. ET, is expected to show U.S. consumer prices rose to 6.8 percent in November, compared with a year ago, in what would be its highest level since 1982 as the cost of goods and services rose broadly amid supply constraints. Any upside surprise on the reading will likely bolster the case for a faster tapering of bond purchases and bring forward expectations for interest rate hikes ahead of the U.S. central bank’s policy …