Meta's auditor Ernst & Young raised a red flag over the financial engineering Meta used to keep its $27B Hyperion data center project off its balance sheet (Jonathan Weil/Wall Street Journal)

Jonathan Weil / Wall Street Journal: Meta's auditor Ernst& Young raised a red flag over the financial engineering Meta used to keep its $27B Hyperion data center project off its balance sheet  —  Meta Platforms' latest annual report contained an unusual, cautionary note for investors.  —  The tech giant's auditor …