Inflation remained stubborn this fall, signaling a potentially bumpy road to vanquishing higher prices, which president-elect Donald Trump will have to contend with. The consumer price index increased 2.7 percent in November from a year earlier, according to the Labor Department, hotter than a 2.6 percent rise in October although in line with what economists expected. It was also above a 2.4 percent annual rise in September. On a monthly basis, inflation increased 0.3 percent...