Any drop in the clean energy stock is an opportunity to buy. Here's why. Shares of NextEra Energy (NEE -3.33%) slipped 4.6% in early trading Tuesday morning as investors reacted to the latest announcement from the clean energy giant. NextEra Energy needs funds to grow NextEra Energy has announced plans to sell equity units worth $2 billion to investment banks Wells Fargo Securities and BofA Securities priced at$50 per unit. Since equity unit offerings combine debt and common stock, each equity unit will se ...