Picard Medical is trading 6.23% higher at $6.14 in pre-market on October 5; no October 5 announcement directly explaining the move was identified. - A recent report described successful acute implant studies of its next-generation Emperor Total Artificial Heart. - Three procedures had stable support, with no device-related intraoperative failures. - The development may be relevant context, but reporting does not establish it as the cause of the pre-market rise.