Twitter Inc is coming under increasing pressure from its shareholders to negotiate with Elon Musk even though the world’s richest person has called his US$43 billion bid for the social media platform his best and final offer, people familiar with the matter said on Sunday. While the views of Twitter shareholders vary over what a fair price for a deal would be, many reached out to the company after Musk outlined his acquisition financing plan on Thursday and urged it not to let the opportunity for a deal slip away, the sources said, speaking on condition of anonymity. Twitter’s board...