Apple Inc. AAPL, -3.17% has acquired artificial-intelligence startup Xnor.ai for a price near $200 million, according to reports Wednesday. The acquisition, which was first reported by GeekWire, would give the smartphone giant access to low-power AI tools for image recognition in cameras. Apple didn't respond to MarketWatch's request for comment. Its stock closed down 0.4% in Wednesday's session but has been on a recent run. Shares have gained 54% over the past six months, as the Dow Jones Industrial Average DJIA, -0.87% has added 6.3%.