Markets sold off on Monday as investors digested Donald Trump's tariff announcements on Mexico, Canada and China.
The S&P 500 Index gained another 9%. And his former colleagues capitulated on their bearish views. But to the celebrity strategist, who was among the last pessimists standing against this bull market ...
However, the landscape shifted dramatically at the end of January when Chinese startup DeepSeek announced that it developed AI models nearly on par with American rivals, despite using inferior chips ...