 Shares of Key Tronic Corp. tumbled 16 in midday trading Thursday, after the electronic manufacturing services EMS company said closed its facilities in Juarez, Mexico following new restrictions imposed by the Mexican government. The company said that although its Juarez facilities make essential products that are sold back into Mexico, the governments shutdown of non-essential facilities included its Juarez facilities. Key Tronic said it was petitioning to have its facilities reopened. The company said its financial results could be materially and adversely affected, depending on the length of the shutdown, which Key Tronic said could potentially last until May 30. In the companys 2019 annual report, Key Tronic said total square footage of facilities in Juarez was 783,000, which was 42.6 of total square footage. The stock has sunk 45.4 over the past three months, while the SP; 500 has shed 14.8. 