رونق هوش مصنوعی شروع به شکستن سیگنال های بازار سهام آزمایش شده با زمان کرده است

The AI boom is starting to break time-tested stock-market signals

The relationship between gold and platinum used to be a reliable stock-market signal. Has artificial-intelligence spending caused it to short-circuit? Meanwhile, the Fed faces a big question of its own today.