DeepSeek Rating Sparks Tension in Global Currency Markets Singapore, 28 Jan (ONA) --- The Japanese yen gave up some of the safe-haven-driven gains today as investors grappled with the potential implications of a Chinese startup's free open-source artificial intelligence (AI) model, while fresh tariff threats had the euro on the back foot. The US dollar steadied after it took a hit overnight amid a broad shakeout in financial markets on the emergence of China's DeepSeek free AI ...