A handful of home-grown Chinese companies involved in brain computer interfaces (BCIs) are moving towards initial public offerings (IPOs) on onshore markets, taking advantage of the sector’s status as a new darling of private capital.The trend fits into a broad pattern of hi-tech firms flocking to list on the Shanghai Stock Exchange’s Nasdaq-style Star Market.Among the BCI hopefuls, Shanghai-based Arfysica Innovation is the latest to register for IPO coaching for a Star Market listing,...