The SPDR S&P 500 ETF Trust traded higher by 0.8 percent on Friday morning after the Labor Department reported a 6.8 percent increase in the consumer price index (CPI) in the month of November, the fastest inflation growth since 1982. The headline CPI rose 6.8 percent in November, exceeding economist estimates of 6.7 percent and marking the highest growth rate since June 1982. The CPI was up 0.8 percent on a monthly basis. Core inflation, which excludes volatile food and energy prices, was up 4.9 percent in November, in-line with economist estimates. Energy prices were up 3.5 percent month-over-month and 33.3 percent compared to a year ago. Used car prices were once again a major inflation driver in November as well. Used car and truck prices increased by 2.5 percent in November and are up 31.4 percent over the last 12 months. The latest CPI inflation reading comes after the …