USDA’s latest beef cattle supply data could be a harbinger of bearish cattle prices into the third quarter of next year.USDA released its monthly Cattle on Feed (COF) report on 21 July with a placement number that was a shocker: 1.77 million head or 116 percent of June 2016’s placements. Expectations were that placements in feed yards of 1,000 head or more capacity would be 105.9 percent of the year-ago level. Indeed, total placements in June were the highest recorded for that month in 11 years. The report had a bearish impact across the board for futures contracts as live cattle, feeder cattle and even lean hog contracts all closed lower today.For context, June had the lowest monthly placements of the past three years at 1.71 million head...