Trading of certain stocks has been affected by actions from the Canadian Investment Regulatory Organization, with some stocks experiencing trade resumptions, while others are under trading halts. The specific stocks affected include OZ, BYN, TIG, and ADY, which have had trade resumptions, and NZ and KSM, which are under trading halts. The reasons for these actions and the current status of other potentially affected stocks, such as WRN and NFGC, are unclear.