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Blue chip stocks emerged as the clear winners Tuesday, with strong gains in several high-priced names sending the Dow Jones Industrial Average to a new record high. But weakness in the tech sector kept pressure on the S&P 500 and Nasdaq Composite.

After trading above 52,000 in intraday trading, the Dow closed up 0.6% at 51,999, its highest settlement ever. JPMorgan Chase (JPM, +3.7%) and Visa (V, +2.9%) were the best Dow Jones stocks today. With JPM trading at $331 per share and V at $333 per share, these two have an outsized influence on the price-weighted Dow.

Today marks the Dow's first foray above 52,000 — which happened just 12 trading days after it climbed above the 51,000 level for the first time. According to Dow Jones Market Data, this is the shortest amount of time the 30-stock index has taken to cross two 1,000-point thresholds since March 2021, when it took five days to rise from 32,000 to 33,000.

But the broader S&P 500 fell 0.6% to 7,511 and the tech-heavy Nasdaq slumped 1.2% to 26,376 as several of the market's recent highfliers sold off.

Intel (INTC), for one, slumped 8.5%, but remains 220% higher for the year to date. Lumentum Holdings (LITE, -8.6%) and Marvell Technology (MRVL, -9.8%) also closed with sizable losses, but have still tripled in price this year.

SpaceX briefly rockets past Amazon's market cap

One notable tech stock that finished in positive territory today was SpaceX (SPCX). Shares jumped 4.8% on news that Elon Musk's satellite and space exploration company is buying AI coding startup Cursor for $60 billion. SPCX stock is now trading nearly 50% above the $135 initial public offering (IPO) price.

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The stock went public last Friday in the biggest IPO ever, and its first-day surge gave the company a market valuation of more than $2 trillion. Today's pop puts its market cap at $2.642 trillion — just below Magnificent 7 stock Amazon.com (AMZN, -0.04%) and its $2.646 trillion valuation. (SPCX briefly topped AMZN's market cap intraday.)

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SpaceX remains the sixth-largest U.S. company by market cap.

Oil prices continue to drop ahead of U.S.-Iran peace deal

While technology (-2.3%) was the biggest decliner of the 11 S&P 500 sectors today, energy (-0.3%) also saw notable losses as oil prices continued to decline.