1. insiders are selling PLUG stocks
"CFO Paul Middleton just sold another 550,000 shares, for example, earlier this month."
https://investorplace.com/2020/08/dont-buy-plug-power-plug-stock-based-on-nikola-enthusiasm/
2. valuation too high, price/sales = 13.91
https://www.morningstar.com/stocks/xnas/plug/valuation
3. Short seller Citron labeled Plug stock "the Anti-Tesla"
Citron Research was tweeting out a warning that Plug is likely to "miss 2020 revenue guidance by 40%." Reminding investors that Plug is a company that has "never generated a profit," Citron labeled Plug stock "the Anti-Tesla" -- overpriced, unprofitable, and run by a CEO who "has sold 95% of his [Plug stock]" already.
