Joiners No Joiners Today. Leavers Cambria Autos has left the AIM following a takeover. What’s cooking in the IPO kitchen? Light Science Tech Holdings, the controlled environment agriculture technology and contract electronics manufacturing Group to join AIM. Raising £5m. Expected mkt cap £17.4m. Due 15 Oct. Harmony Energy Income Trust to join the Specialist Fund Segment of the Main Market raising up to £230m. The Company's investment objective is to provide investors with an attractive and susta ....