The concept of “market breadth” has become a hot topic among investors and analysts as major stock indices climb higher without broad participation from most of their components. This disparity has prompted notable Wall Street veteran investor Ed Yardeni to comment that “the stock market has a bad breadth problem again.” In a note sent to Yardeni Research’s subscribers on Sunday, the expert explained that while the past saw this issue due to the outperformance of the Magnificent 7 stocks, recently, it appears to be narrowing to the “Magnificent One,” namely Nvidia Corp. (NASDAQ:NVDA).  Magnificent 7 YTD % Change Nvidia Corp. 162.8% Meta Platforms Inc. (NASDAQ:META) 42.9% Alphabet Inc. (NASDAQ:GOOG) (NASDAQ:GOOGL) 30% Amazon Inc. (NASDAQ:AMZN) 26.1% Microsoft Corp. (NYSE:MSFT) 21.3% Apple Inc. (NASDAQ:AAPL) 11.8% Tesla, Inc. (NASDAQ:TSLA) -26.3% As of June 24, 2024 David Morrison, senior market analyst at Trade Nation, recently echoed these concerns, noting that the overall market performance is heavily concentrated in the stock prices of a ...