The delays are affecting retailers including JC Penney Co (JCP.N), Macy’s Inc (M.N), Kohl’s Corp (KSS.N) Nordstrom Inc (JWN.N), American Eagle (AEO.N), Ralph Lauren (RL.N) and Carter’s (CRI.N), according to three people with direct knowledge of the situation. Retail giant Wal-mart Stores Inc (WMT.N), recently diverted 300 shipment containers to Oakland to avoid the congestion, one person said. Wal-Mart declined comment.