Boeing Co (NYSE:BA) machinists rejected a new labor deal with 64% voting against the proposal, their union announced Wednesday, extending a strike that has halted most of the company’s Seattle-area production for over five weeks. What Happened: The deal offered 35% wage increases over four years, increased 401(k) contributions, and a $7,000 bonus. However, workers were dissatisfied with the absence of a pension plan and sought higher pay to offset rising living costs, reported CNBC. The strike is Boeing’s first since 2008 and adds to the company’s challenges, including a $6 billion quarterly l…