Insider, a global marketing technology platform that uses artificial intelligence, raised $500 million in a funding round led by General Atlantic — a cash influx that will support plans to expand its business in the US. The startup, co-founded in Istanbul in 2012 by Chief Executive Officer Hande Cilingir, was valued at close to $2 billion in its latest financing last year. The company declined to disclose its valuation in the new funding round....