LinkedIn has introduced a new feature. Like Facebook Stories, video calling integration, an improved search experience, and the ability to edit messages as part of a fresh redesign better user experience. Like Facebook/Whatsapp, The Microsoft-owned social networking platform Linkedin has already rolled out some of the features to a few countries.
Linkedin Cover 
Linkedin Stories Feature
Promoting a brand on LinkedIn requires a set of clearly defined goals and tactics and it requires highly skilled Digital Marketer for managing . Developing an effective LinkedIn strategy requires a deep understanding of target audience and Content.
How to post story in LinkedIn to promote your Business ?
For posting a story on LinkedIn, From the LinkedIn app ,Logged users can touch the circle with their photo –Like Stories feature in Instagram, and click on the plus sign on the top left corner to open camera. These story will be visible to the users’ connections & followers with stories access. Story feature will let users and entrepreneur who share what’s happening in their professional lives without worrying that the content . The stories will only last for a day like Whats app,Instagram & Facebook .
For More Refernce
https://www.linkedin.com/help/linkedin/answer/119760/linkedin-stories-overview?lang=en