The 737 MAX is Boeing's most important plane, and China is Boeing's most important market. That's why China's decision to ground all Boeing 737 MAX 8 jets operated by its airlines is so significant.

The 737 MAX is Boeing's most important plane, and China is Boeing's most important market. That's why China's decision to ground all Boeing 737 MAX 8 jets operated by its airlines is so significant.

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Why grounding 737 MAX jets is a big deal for Boeing

The 737 MAX is Boeing's most important plane, and China is Boeing's most important market. That's why China's decision to ground all Boeing 737 MAX 8 jets operated by its airlines is so significant.