US Stock Market Move | Apple Inc. (AAPL.US) fell more than 2% at the opening, with its market value dropping below $4 trillion.

On Tuesday, Apple Inc. (AAPL.US) fell more than 2% in early trading, with its market value dropping below $4 trillion. On the news front, after the U.S. stock market closed on Monday, Apple Inc. announced a major personnel change. The company stated that current CEO Cook will officially step down from his CEO position on September 1 and transition to executive chairman, with John Ternus, the current senior vice president of hardware engineering, taking over as the new CEO. Ternus, 51, has been with Apple Inc. since 2001, leading hardware engineering for a long time and is one of the core members of the company's technical management team. In a statement, he expressed his commitment to continuing Apple Inc.'s mission and values and his confidence in its future development. The news of Cook stepping down as CEO had been reported by the media several times before, and this official announcement marks Apple Inc.'s entry into a new round of leadership transition. Analysts believe that, although Cook will still be involved in the company's affairs as executive chairman, the market will closely monitor the performance of the new CEO in terms of product innovation and strategic direction.