 Also in 2008 a number of former staff organised a reunion event to mark the 30th anniversary of the company's formation.The BBC Micro sold well—so much so that Acorn's profits rose from £3000 in 1979 to £8.6m in July 1983.In September 1983, CPU shares were liquidated and Acorn was floated on the Unlisted Securities Market as "Acorn Computer Group plc", with Acorn Computers Ltd. as the microcomputer division.