What happened to the Technical Communications Company (TCCO) stock in the morning?

Technical Communications Company (TCCO) shares plunged more 15% to 4.86 in the pre-market todayas the company posted earnings for the fiscal year ended September 26, 2020. The Organization announced a net loss of$(911,000) or$(0.49) per share for the year ended September26,2020, on revenue of$4,108,000, compared with net profits of$631,000, or $0.34 per share, on revenue […]