Both the S&P 500 and Nasdaq 100 indices surged to new historic highs on Tuesday, driven by strong performance in the technology and semiconductor sectors. Toward the end of the trading week, which was shortened by the Juneteenth holiday, profit-taking in chipmaker stocks emerged, tempering earlier gains. Nvidia Corp. (NASDAQ:NVDA) snapped a eight-week winning streak, dropping by more than 4% for the week. This decline also pulled down the broader chipmaker industry, as tracked by the iShares Semiconductor ETF (NYSE:SOXX). Concerns are growing among analysts regarding the lack of broad participation in the stock market rally and the significant concentration of major equity indices in a few mega-cap names. Despite these warnings, the ongoing market rally continues to set new records. The S&P 500 is experiencing its longest streak without a 2% loss since the Great Recession. The last time the S&P 500 declined by more than 2% in a single ...