World Health Energy Holdings, Inc. (WHEN: Pink Limited) | Tier Change Sat, Aug 22, 2020 12:00 - World Health Energy Holdings, Inc. ( WHEN : Pink Limited) - Tier Change - The symbol, WHEN, no longer is classified as Pink Current. As of Sat, Aug 22, 2020, WHEN resides in the Pink Limited tier. You may find a complete list of tier changes at otcmarkets.com .