New York - The Dow and S&P 500 dipped on Thursday as a rally in oil prices fizzled and concerns about inaction on key legislative priorities in Washington pressured sentiment.
Oil prices retreated modestly after Wednesday's surge, sending shares of ExxonMobil, Chevron and other oil producers lower.
Analysts also said the introduction of President Donald Trump's controversial budget proposal, coupled with ongoing acrimony on health policy, exacerbated worries that tax cuts and other growth-stimulating measures will be delayed.
"For investors, today's activities in the nation's capital have done little to encourage the notion that tax reform will be a quick and easy process," Briefing.com said. "That concern has likely been baked into today's modest slip in the stock market."
The Dow Jones Industrial Average closed the day 0.1% lower at 20 933.80.
The broad-based S&P 500 fell 0.2% to end at 2 381.34, while the tech-rich Nasdaq Composite Index gained a hair at 5 900.76.
Software giant Oracle surged 6.2% after reporting that third quarter net income rose 5.5% to $2.2bn in better-than-expected results that underscored its strong growth in cloud software.
Tesla Motors climbed 2.5% as it announced plans to raise $1bn in new offerings of stock and bonds to strengthen the company's balance sheet and to "further reduce any risks" associated with the building of the Model 3 sedan, its lower-priced electric car.
Williams-Sonoma climbed 2.4% as it boosted its quarterly dividend by 5% after fourth-quarter earnings rose 2.5% to $144.6m.
Biogen lost 4.7% following a downgrade by Morgan Stanley.
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