The Boeing strike is growing increasingly ill-tempered as both sides have filed NLRB complaints. AdvertisementBoeing filed a complaint on Thursday with the National Labor Relations Board against the union representing 33,000 of its workers. Rising tensions are palpable, and a longer strike would continue to hurt Boeing. AdvertisementBank of America analyst Ron Epstein estimated that the strike is costing Boeing $50 million a day. "Given that position, further negotiations do not make sense at this point," Stephanie Pope, CEO of Boeing Commercial Airplanes, told employees in an email Tuesday.

---

Persons: —, Ron Epstein, Boeing's, Kelly Ortberg, Stephanie Pope, Mike Fitzsimmons Organizations: Boeing, Service, National Labor Relations Board, International Association of Machinists, Aerospace Workers, IAM, NLRB, Bank of America, Business, Airplanes, Seattle Times, BI Locations: Seattle