Stocks making the biggest moves after hours: NextEra, Danaher, Rhythm Pharmaceuticals and more

Check retired the companies making headlines aft hours.

NextEra Energy — Shares fell 3% successful extended trading aft the company announced its intent to merchantability $2 cardinal successful equity units. Each equity portion volition beryllium issued successful the magnitude of $50 and volition dwell of a declaration to acquisition NextEra Energy communal banal successful the future, arsenic good arsenic a 5% undivided beneficial ownership involvement successful a NextEra Energy Capital Holdings debenture owed Sept. 1, 2027, issued successful the main magnitude of $1,000.

Danaher — The aesculapian institution saw shares emergence 4% aft announcing plans to spin disconnected its biology and applied solutions business to make an independent, publically traded company. It besides raised its third-quarter gross guidance, according to FactSet.

Rhythm Pharmaceuticals — Shares of Rhythm Pharmaceuticals fell astir 11% aft the institution announced a $100 cardinal banal offering.

Arconic Corp — The manufacturing company's shares slid astir 8% aft Arconic provided a lower-than-previously-expected gross forecast for the afloat year, citing the interaction of operational issues and the operation of request declines and higher unhedged vigor costs successful Europe.