The momentum of tech stocks leading the market upswing tapered off, weighing down on the US bourse on Tuesday. The S&P 500, after rising for six consecutive days, failed to advance further, closing down 23 points or 0.4% at 5,940. The DJIA settled down 114 points or 0.3% at 42,677. The Nasdaq ended down 72 points or 0.4% at 19,142.Investors continued to sell off techs, with NVIDIA (NVDA.US) sagging nearly 1%. Apple (AAPL.US) will hold its Worldwide Developers Conference from 9 to 13 June, allowing third-party developers to use AI models to write software. Its stock ebbed nearly 1%.Related NewsPPI MoM for Apr in United States is -0.5%, lower than the previous value of 0.0%. The forecast was 0.2%.Tesla (TSLA.US) founder Elon Musk stated that he will continue to serve as Tesla's CEO for the next five years, shoring up the stock by 0.5%.(Real-time Streaming US Stocks Quote; Except All OTC quotes are at least 15 minutes delayed.)