The S&P 500 and the Nasdaq Composite closed lower on Tuesday for the first time since last week's presidential election as markets awaited official consumer inflation data for October.

The S&P 500 dropped 0.3% to 5,984, while the technology-heavy Nasdaq lost 0.1% to 19,281.4. The Dow Jones Industrial Average fell 0.9% to 43,911.

Donald Trump defeated Kamala Harris in last Tuesday's poll, sending stock markets higher. The three benchmark equity indexes closed at all-time highs Monday.

Among sectors, materials saw the steepest decline Tuesday, while communication services, technology, and consumer staples posted gains.

Electric vehicle maker Tesla's (TSLA) shares slid 6.2%, among the steepest drops on the Nasdaq. Tesla has added more than $300 billion in market capitalization since election night amid a potential boost from a Trump administration, Deutsche Bank said. Tesla Chief Executive Elon Musk was a key campaigner for Trump in the 2024 presidential election.

The US 10-year yield jumped 12 basis points to 4.43% Tuesday, while the two-year rate advanced 8.8 basis points to 4.34%.

The US economy is in "a good place," while interest rates are off their recent peak and historic lows, Richmond Fed President Tom Barkin said. This puts policymakers in a position to "respond appropriately" irrespective of how the economy evolves, he added.

Separately, Minneapolis Fed President Neel Kashkari said the US monetary policy is "modestly restrictive," with short-term borrowing costs continuing to cool inflation and slow the economy, though not by much, Reuters reported.

On Thursday, the central bank's Federal Open Market Committee reduced its benchmark lending rate by 25 basis points, following a 50-basis-point cut in September.

US consumers' inflation expectations cooled in October, while labor market concerns eased, according to a survey by the New York Fed.

Official data are expected to show Wednesday that consumer inflation rose 0.2% sequentially and 2.6% annually last month, according to a Bloomberg-compiled consensus. Official producer prices data for October are scheduled to be released Thursday.

Small business optimism in the US rose more than projected in October, while the uncertainty index hit a record high, though that's likely to improve now that the presidential election is over, according to the National Federation of Independent Business' latest survey.

Mosaic (MOS) shares dropped 7.7%, the steepest decline on the S&P 500, after its third-quarter financial results fell more than expected.

Amgen (AMGN) was the worst performer on the Dow and the Nasdaq, and among the worst on the S&P 500, down 7.1%.

Tyson Foods (TSN) surpassed top- and bottom-line expectations for its fiscal fourth quarter and issued guidance implying a slight cooldown in sales in the new year amid ongoing uncertainties with its beef business. The company's shares rose 6.6%, the top gainer on the S&P 500.

Live Nation Entertainment (LYV) shares gained 4.7%, among the best performers on the S&P 500. The company reported mixed third-quarter results late Monday and said it's seeing strong demand in the current quarter and into 2025 for its Ticketmaster sales segment.

West Texas Intermediate crude oil was little changed at $68.01 a barrel Tuesday. The Organization of the Petroleum Exporting Countries reduced its 2024 and 2025 global oil demand projections for the fourth straight month while raising its world economic growth forecasts.

Gold fell 0.5% to $2,604.50 per troy ounce, while silver rose 0.8% to $30.87 per ounce.