KEY TAKEAWAYS David Einhorn's Greenlight Capital stayed committed to the turbulent regional banking industry in the fourth quarter, adding positions in New York Community Bancorp. and First Citizens BancShares. Both lenders were involved in buying into troubled regional banks during last spring's turmoil. Greenlight also bought Alight, AerCap, Kenvue and Viatris and exited Southwestern Energy. David Einhorn's Greenlight Capital stayed committed to the turbulent regional banking industry in the fourth quarte ...