Boeing (BA) stock sank as much as 3% Tuesday as the company said it handed over just 14 commercial planes in October, marking a sharp decline from the 34 aircraft it delivered during the same month last year as a seven-week strike by its biggest union crippled much of its production.

Boeing (BA) reported a drop in deliveries in October sequentially and annually as a labor strike that lasted for more than seven weeks impacted aircraft production. The jet maker delivered 14 aircraft last month,