Top Performing Large-Cap Stocks Last Week
- Lumentum Earnings Beat: Lumentum Holdings Inc. surged 36.02% this week after reporting second-quarter results that exceeded expectations and providing third-quarter guidance above analyst estimates, thereby boosting investor confidence and significantly driving up the stock price.
- Transportation Stocks Rally: Saia, Inc. jumped 23.07% this week, benefiting from declining oil prices, which led to a strong performance across the transportation sector, indicating optimistic market expectations for transportation demand that could enhance future earnings.
- Westlake Stock Increase: Westlake Corporation saw a 19.27% rise in its stock price this week, reflecting positive market sentiment regarding its business outlook, particularly in the context of declining raw material costs that may improve profitability.
- Market Recovery: The strong performance of these stocks indicates a growing investor confidence in economic recovery, especially amid falling oil prices, which could further drive growth in related industries.
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- Divergent Market Performance: On Monday, the S&P 500 index fell by 0.39%, while the Nasdaq 100 hit a 7.75-month low, indicating market concerns over the Middle East situation, particularly exacerbated by a sell-off in chip stocks, which negatively impacted investor confidence.
- Declining Bond Yields: The 10-year T-note yield dropped by 8 basis points to 4.34%, reflecting market fears that the ongoing war in the Middle East could lead to fuel shortages, potentially suppressing expectations for Fed rate hikes and highlighting economic growth uncertainties.
- Rising Crude Oil Prices: Crude oil prices surged over 3% to a three-week high due to Iranian attacks on the Strait of Hormuz, indicating severe threats to global energy supply chains, which could lead to soaring prices in the future and impact the global economy.
- Weak Manufacturing Activity: The Dallas Fed manufacturing activity survey fell to -0.2, below the expected 2.0, reflecting signs of economic slowdown that could influence corporate investment decisions and future economic growth.
- Quarterly Rebalance Overview: S&P Dow Jones Indices rebalanced on March 6, adding four AI-related stocks, including Coherent, EchoStar, Lumentum, and Vertiv Holdings, effective March 23, reflecting changes in market capitalizations.
- Lumentum's Strong Performance: Lumentum's stock has surged approximately 116% this year, with a current market cap of $49 billion, primarily driven by Nvidia's $2 billion investment aimed at advancing optical networking products, highlighting its critical role in scaling AI factories.
- EchoStar's Growth Potential: EchoStar's stock has skyrocketed 360% over the past 52 weeks, although it has only risen 13% this year; its position in the communication services sector allows it to benefit from the S&P 500's influence, attracting more investor attention.
- Investor Focus on Index Effect: All four newly added stocks experienced price increases post their S&P 500 inclusion, indicating that the
- Stock Market Decline: U.S. stock indexes experienced a decline on Thursday, with significant drops across major indices.
- Index Performance: The S&P 500 fell by 2.38%, the Dow Jones dropped 1.74%, and the Nasdaq decreased by 1.01%.
- New Manufacturing Facility: Lumentum plans to establish a 240,000-square-foot laser manufacturing facility in Greensboro, North Carolina, focusing on producing advanced lasers for the world's largest AI data centers, with production expected to ramp up by mid-2028.
- Customer Collaboration: The facility will serve Nvidia, further solidifying Lumentum's market position in the AI sector and addressing the increasing demand for lasers in this rapidly evolving field.
- Investment and Jobs: Lumentum intends to invest hundreds of millions of dollars over the next several years to scale production and enhance advanced manufacturing capabilities, while preserving and creating over 400 U.S. manufacturing jobs, demonstrating its commitment to American manufacturing.
- Strategic Importance: CEO Michael Hurlston stated that the establishment of this new facility will significantly expand the company's production capacity, deepen strategic partnerships, and ensure the delivery of performance, reliability, and scale required for the AI revolution, marking a pivotal role in the future of computing infrastructure.
S&P 500 Rebalancing: The S&P 500 has completed its latest quarterly rebalancing, adding four new stocks, primarily in the AI sector, while removing four others that have seen significant declines in market capitalization.
Market Capitalization Requirements: To be eligible for inclusion in the S&P 500, companies must have a market capitalization of at least $22.7 billion, with those falling below this threshold typically facing removal.
Performance of New Additions: The newly added stocks, including EchoStar, have shown impressive performance, with some companies experiencing substantial stock price increases over the past year, indicating strong market interest.
Future Outlook: The article highlights the importance of optical networking in data center infrastructure, with companies like Lumentum and Coherent positioned as leaders in this space, supported by significant investments from NVIDIA to enhance research and manufacturing capabilities.
- Oil Price Surge: Oil prices have surged past $100 per barrel in 2026, marking a significant increase from below $60 at the start of the year, which is one of the sharpest rises in history, causing heightened investor concerns about future economic growth.
- Inflationary Pressure: The high oil prices are likely to drive overall inflation, prompting the Federal Reserve to reconsider its interest rate policies, which has led to a widespread market decline as investors react to potential rate hikes.
- Supply Chain Disruption: Currently, about 20% of oil supply is disrupted due to the largest supply shock in history, raising fears about future supply constraints and potentially leading to further increases in energy costs that could impact profitability across various sectors.
- Hims & Hers Partnership: Hims & Hers has unexpectedly partnered with Novo Nordisk, resolving a legal dispute and allowing the company to sell FDA-approved weight loss drugs directly, which is expected to significantly enhance its business model and boost market confidence.









