March 24 (Reuters) - The Hong Kong Stock Exchange (HKEX) said on Friday it had framed new listing rules for specialist technology companies, adopting a lower revenue threshold for these firms set out in earlier proposals. The bourse operator, a unit of Hong Kong Exchanges and Clearing Ltd (0388.HK), said it would welcome applications operating in frontier industries, including new energy, robotics, semiconductors, quantum computing, autonomous driving, artificial intelligence and new food and agriculture technologies. "The new economy sector is rapidly changing the way in which we live and work, and this new route to market will support some of...