UST Global announced an investment in Smart Software Testing Solutions (SSTS). The US-based firm provides digital validation solutions through its SaaS platforms – pCloudy and OpKey. As part of the investment, Vijay Padmanabhan, Chief Corporate Officer of UST Global, will join the SSTS board. pCloudy is an AI, predictive analysis-powered automated and manual testing software. OpKey is a cloud-based automation testing platform for web, mobile salesforce etc.