The biggest drag on the S&P 500 and the Nasdaq was Nvidia, which dropped 6 percent to $101.08<br />after Pacific Crest downgraded the stock to "underweight" from "sector weight".<br />However, the market moved off session lows after Trump said the U. S. infrastructure bill may top $1 trillion and<br />that his administration was working on a major "haircut" on the Dodd-Frank banking regulation, rekindling some of his campaign promises.<br />(Reuters) - U. S. stocks were little changed on Tuesday, trading in a tight range, as investors fretted over the ability of President Donald Trump to deliver on his policy plans,<br />and ahead of his potentially tense meeting with Chinese President Xi Jinping.<br />The S&P 500 index showed six 52-week highs and six lows, while the Nasdaq recorded 29 new highs and 33 new lows.