AI developments fueled a mixed start for Wall Street on Friday, as markets fluctuated around record highs. The Dow Jones Industrial Average initiated 0.3 percent lower at 38,898.41, while the S&P 500 held steady at 5,096.08. The Nasdaq Composite Index, concentrating on technology stocks, increased 0.1 percent, establishing a new record at 16,106.73. Analysts attribute