First Solar stock plunges as CEO says Trump tariffs pose ‘significant economic headwind'
1. First Solar shares dropped 13% due to unexpected tariffs. 2. CEO Widmar cites tariffs as a significant economic headwind. 3. Production at plants in Malaysia and Vietnam may be idled. 4. Earnings forecast cut to $12.50-$17.50 per share for the year. 5. Long-term solar demand remains strong despite current challenges.