NMS were part of the stocks affected by the Opes debacle (see below for list as quoted in the Sun)
NAL, NBL, NDO, NEC, NEO, NPL, NGE, NGM, NIP, NKP, NLG, NMS, NOD, NQM, NRT, NRU, NRUO, NSP, NST, NSX, NVT, NWK, NWS, NWSLV, NXS.
To what extent I am not sure....