https://www.reuters.com/article/us-plex-systems-m-a-rockwell-automat/rockwell-automation-to-buy-plex-systems-for-2-22-billion-idUSKCN2E1122 >Rockwell Automation said on Friday it would buy business software maker Plex Systems for $2.22 billion in cash, as the U.S. industrial automation equipment maker looks to boost its revenue from cloud offerings.