Samsung Slumps by $22 Billion as Note 7 Safety Warnings Pile Up

  • U.S. Consumer Product Safety Commission issues warning
  • Global aviation authorities caution against use on planes

Note 7 Users Urged to Turn Off Phones

Samsung Electronics Co. lost $22 billion of market value over two days as investors factor in a bigger hit to its bottom line from widening bans and warnings on its Note 7 smartphones.

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