Stock futures are little changed after S&P 500 posts best day since early August: Live updates - CNBC

The Nasdaq Composite rose to a fresh all-time intraday high on Tuesday, while the S&P 500 was relatively unchanged as traders continued to keep an eye on developments between the U.S. and Iran.

The tech-heavy Nasdaq climbed 0.45% to a record close of 27,244.28, supported by a nearly 7% gain in shares of Sandisk following a bullish call from Rosenblatt . The S&P 500 was marginally lower at 7,764.64, while the Dow Jones Industrial Average shed 185.14 points, or 0.36%, to end at 51,863.69.

Oil prices moved lower after President Donald Trump said that U.S. officials had a "very good meeting" with Iran's delegation and that it lasted about three hours. Global benchmark Brent crude futures settled down 1.09% at $99.25 per barrel. U.S. crude futures traded 1.24% lower to settle at $94.59 a barrel. That marked the fifth straight day of losses for both benchmarks.