Stocks Just Flashed a Rare Market Signal. Here's What It Could Mean. -- Barrons.com
Wall Street is making room for a big wave of new stock listings, capital raises, and new investment themes this week, much of it linked to the AI investment theme that has powered markets higher for much of the past three years.And that has stocks doing something they haven't done in a very long time.The NYSE Tick Index, little-known outside of Wall Street but closely tracked within it, measures market breadth by comparing the number of stocks trading on upticks with those trading on downticks.That suggests a worrying loss of short-term buying momentum for a market that has gained more than 15% over the past two months, powered by a near 20% advance for an index of the so-called Magnificent Seven tech stocks and a stunning 68% advance for the PHLX Semiconductor Index."It's too early to say if this is simply a mild bout of profit-taking, or a harbinger of a more protracted and deeper retreat," said David Morrison, senior market analyst at Trade Nation. "But investors will be mindful of