Fast-growing business intelligence tool DiscoverOrg acquired its largest competitor in a deal valued at more than $100 million. Exact terms are not being disclosed but Vancouver-based DiscoverOrg bought Bethesda, Maryland-based RainKing in a cash deal, the company said this week. It's unclear if all of RainKing's employees are joining DiscoverOrg. The company said it is working through the integration plan now. With this deal, it picks up RainKing's Bethesda office. The space will house...