Regular MarketWatch readers might already be aware that U.S. stocks are historically expensive right now, based on several popular metrics. Some have argued that this could signal that the market has become overvalued,

The rest of the stock market could finally catch up to the Magnificent Seven this year—and it has nothing to do with DeepSeek. The gap in earnings growth between the Magnificent Seven and the rest of the benchmark index should compress from roughly 8 percent to less than 5 percent by the end of 2025,

In fact, this is a shortsighted view that misses the significant benefits that DeepSeek represents for the U.S. economy and for businesses worldwide. What’s exciting is that the