Beef packer margins fell for the fifth straight week and remained in negative territory for the second week in a row. Margins are estimated at -$118/head, pressured by a modest dip in the Choice cutout and a $3 increase in fed cattle prices. The drop credit also weakened for the sixth consecutive week, deepening margin losses. The near-term outlook remains soft as fed cattle prices are expected to see greater strength than beef values heading into the holiday season. Feedlot profitability moved sharply higher last week ...