Beef packer margins remained deeply negative, with estimated net losses at -$185/head, little changed from the prior week. Rising boxed beef values continued to lag gains in fed cattle prices, keeping gross margins compressed despite incremental support from carcass weights and drop values. Relative to recent history, current margins remain among the weakest observed outside of short-lived seasonal troughs, suggesting limited near-term relief absent a sharper cutout recovery. Feedlot placement margins improved modestly but ...