$ADDvantage Technologies Group, Inc.(AEY)$ 8-K - Current report Filed: 2018-01-30 AccNo: 0001445260-18-000004 Size: 27 KBItem 2.02: Results of Operations and Financial ConditionItem 7.01: Regulation FD DisclosureItem 9.01: Financial Statements and Exhibits 网页链接