Nasdaq-100's Worst Performers in March 2025: Marvell Technology and MongoDB

In the tumultuous month of March 2025, the Nasdaq-100 index faced one of its most challenging periods in recent years, finishing the month down 7.7%. However, the index's biggest losers saw much steeper declines. Semiconductor company marvell technology (MRVL) ended March down close to 32.9%, and database software company mongodb (MDB) fell just over 34.4%. These two stocks stood out as the worst performers, each facing unique challenges that led to their significant declines.



Marvell Technology's stock price experienced a significant decline in March 2025, dropping close to 32.9%. Several specific factors contributed to this decline:

1. Trade Tensions with China: Marvell Technology relies heavily on China for its revenue, with 43% of its revenue coming from that market. The heightened tensions between the U.S. and China, along with President Trump's tariff plans, have raised concerns among investors. Any tariffs or trade restrictions could disrupt Marvell Technology's business and have an outsized financial impact on the company. This uncertainty has led to a sell-off in the stock as investors worry about the potential disruption to Marvell's supply chain and market access.

2. Recession Fears: Broader economic concerns, including fears of a recession, have also contributed to the sell-off in technology growth stocks. Investors are becoming more risk-averse, leading to a decline in the stock prices of companies perceived as more vulnerable to economic downturns.

3. Softening Expectations for AI: The softening expectations for artificial intelligence (AI) have also played a role. Marvell Technology, like many other tech companies, has been riding the wave of AI hype. However, as expectations for AI's near-term impact on the market have softened, investors have become more cautious about the prospects for companies in this sector.

These factors are likely to continue impacting Marvell Technology's performance in the near future. The ongoing trade tensions and the potential for further tariffs or trade restrictions will remain a significant risk. Additionally, if recession fears continue to grow, Marvell Technology's stock price could face further pressure. However, the current decline in the stock price also presents an opportunity for investors looking to begin a stake or increase their shares at much lower prices than just a month before.

MongoDB's revenue growth and fiscal guidance significantly influenced investor sentiment, leading to a substantial drop in its stock price. Despite reporting a 19% year-over-year revenue growth for fiscal 2025, which beat Wall Street expectations, the stock price plummeted. This was primarily due to concerns that the stock was overvalued following less-than-ideal fiscal 2026 guidance. Investors were disappointed with the company's outlook for the next fiscal year, which did not meet their expectations. This discrepancy between the reported growth and the future guidance led to a loss of confidence in the company's ability to sustain its growth trajectory, resulting in a stock price decline of just over 34.4% in March 2025.

To regain investor confidence, MongoDB could employ several strategies:

1. Improve Fiscal Guidance: Providing more optimistic and realistic fiscal guidance for future periods can help reassure investors that the company is on track for sustained growth. Clear communication about the company's strategic plans and expected financial performance can build trust and attract investors.

2. Demonstrate Strong Execution: Executing on its strategic initiatives and delivering on its promises can help MongoDB regain investor confidence. This includes meeting or exceeding revenue and earnings targets, expanding market share, and successfully launching new products or services.

3. Enhance Transparency: Increasing transparency in its financial reporting and operational updates can help investors better understand the company's performance and prospects. Regular updates on key performance indicators, market trends, and competitive dynamics can provide investors with the information they need to make informed decisions.

4. Invest in Innovation: Continuing to invest in research and development to drive innovation and stay ahead of the competition can help MongoDB maintain its competitive edge. This includes developing new technologies, expanding its product offerings, and entering new markets.

5. Strengthen Partnerships: Building and strengthening partnerships with key customers, technology providers, and industry players can help MongoDB expand its reach and drive growth. Collaborating with other companies to develop joint solutions and co-marketing initiatives can help MongoDB tap into new opportunities and attract more customers.

By implementing these strategies, MongoDB can work to regain investor confidence and position itself for long-term success.



In conclusion, the significant declines in Marvell Technology and MongoDB's stock prices in March 2025 were driven by a combination of trade tensions, recession fears, and softening expectations for AI. While these factors present challenges for the companies, they also offer opportunities for investors looking to enter or increase their positions at lower prices. For MongoDB, regaining investor confidence will require a combination of improved fiscal guidance, strong execution, enhanced transparency, continued innovation, and strengthened partnerships. As the market continues to navigate these uncertain times, both companies will need to adapt and innovate to thrive in the competitive tech landscape.