Oprah Winfrey’s stake in Weight Watchers falls by $48 million in minutes after shares crater 30 percent
- Weight Watchers shares crater 29 percent on weak fourth-quarter earnings results and 2019 forecast.
- Oprah Winfrey owns about 8 percent of Weight Watchers shares, according to FactSet.
- Winfrey’s stake loses nearly $46 million in market value Tuesday in after-hours trading.
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