How Artificial Intelligence Is Changing the Way Companies Do Business

Paypal has a deep learning system that filters out deceptive merchants and cracks down on sales of illegal products. Citibank's Citi Ventures arm recently invested in Feedzai, a machine learning company that identifies and prevents fraudulent transactions before they're completed. A few investment firms, including Aidyia Limited of Hong Kong, have launched funds managed entirely by AI. San Francisco startup Sentient Technologies, which develops AI software, created its own hedge fund based on its deep learning technologies. Swiss AI startup NNSAISENSE and Acatis Investments, a German fund manager, recently launched "Quantenstein," a deep learning software platform that helps investors choose the best stocks and build portfolios.