Beef packer margins deteriorated to -$243/head last week, down $25 from the prior week as higher fed cattle prices more than offset a slight decline in the Choice cutout. The cutout eased to $390/cwt while fed cattle prices climbed to $260/cwt - just of all-time highs - extending the seasonal squeeze on packer profits. Margins remain deeply negative as elevated cattle costs continue to outpace wholesale beef values. Feedlot placement margins improved to -$178/head, up $75 from the prior week, as stronger ...