Bombardier Inc. has secured an aircraft order valued at $1.7 billion from an unnamed customer. The deal involves the sale of 50 aircraft and includes a service agreement. Market reaction to the announcement was positive, with Bombardier's shares rising 20% to reach their highest level in seven years. Additional reports suggest the order could potentially expand to 70 firm jets with options for up to 120 aircraft, which might increase the deal value to approximately $4 billion, although these details have not been officially confirmed.