https://www.reuters.com/article/us-five9-m-a-zoom-video-commn/zoom-to-buy-cloud-software-provider-five9-in-15-billion-deal-idUSKBN2EP02Q >(Reuters) -Teleconferencing services provider Zoom Video Communications Inc has struck a deal to buy cloud software provider Five9 Inc in an all-stock transaction valued at about $14.7 billion, the company said on Sunday.