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Market Analysis2026-03-05

Semiconductor ETFs Plunge 7% on Tariff Shock

Semiconductor stocks suffered a massive selloff as Trump's expanded tariffs and China's retaliatory measures rattled markets. The SOXX ETF plunged 7.19%, while NVDA and TSM dropped over 6% and 7% respectively, prompting investors to reassess asset allocation.

관리자

U.S. markets were rocked by the Trump administration's expanded tariff measures and China's immediate retaliatory tariff announcement. The semiconductor sector bore the brunt of the selloff, with the SOXX ETF plunging 7.19% in a single session, triggering a broad technology stock selloff. The S&P 500 fell 1.16% to close near the 5,778 level, while the Nasdaq dropped 0.96% as investor sentiment deteriorated sharply. Given the semiconductor industry's heavy reliance on global supply chains, tariff risks could directly impact earnings, keeping investors on high alert.

Semiconductor Sector Plunges Over 7% on Tariff Fears

The SOXX semiconductor ETF plummeted 7.19% to close at $341.54. Among individual stocks, TSMC (TSM) led the decline with a 7.81% drop, while NVIDIA (NVDA) fell 6.40% to $183.04. AMD lost 4.17%, Broadcom (AVGO) declined 4.45%, and Qualcomm (QCOM) dropped 4.33%. The SMH ETF also tumbled 6.35%, as the entire semiconductor sector was swept up in panic selling. Additional tariff impositions and retaliatory measures maximized uncertainty around the global semiconductor supply chain.

Tech Stocks Lose $1.8 Trillion, Nasdaq Posts Worst Week

The damage extended well beyond semiconductors. The XLK ETF fell 2.22%, and tech mega-cap market capitalization evaporated by approximately $1.8 trillion over two days. The QQQ ETF closed at $610.75, down 0.96%, while the leveraged TQQQ plunged 3.10% to $50.26. The DIA ETF fell 1.43% and small-cap IWM dropped 1.07%, showing weakness across all market segments. The Nasdaq is on track for its worst weekly performance in five years.

Marvell's Weak Outlook Raises AI Chip Demand Questions

Marvell Technology's disappointing earnings compounded the semiconductor sector weakness. The company issued revenue guidance that fell significantly short of market expectations, sending its shares sharply lower and raising questions about the sustainability of AI semiconductor demand. As chip stocks that had enjoyed premiums from AI investment expectations now face pressure to prove their valuations through actual results, Marvell's miss is triggering a broader sector revaluation.

Bonds Also Decline as Stagflation Fears Mount

Despite the equity selloff, the bond market's reaction was somewhat muted. The AGG ETF dipped 0.50%, while the long-duration TLT fell 0.85%. This reflects concerns that tariffs could increase inflationary pressures, offsetting rate cut expectations. Comparing TLT vs IEF, the intermediate-term IEF showed more resilience with just a 0.54% decline. With stocks and bonds declining simultaneously, investors should use an asset allocation calculator to review their portfolio positioning.

Conclusion

The tariff-driven selloff dealt the heaviest blow to the semiconductor sector. The 7% SOXX plunge and simultaneous declines in major chip stocks like NVDA and TSM demonstrate the impact of trade tensions on the technology sector. Portfolios overweight in semiconductors should use a rebalancing calculator to reset target allocations, with extra caution around leveraged products like TQQQ that amplify losses during volatile periods. Diversification into broad index ETFs like VOO and VTI, combined with increased bond allocation, merits consideration at this juncture.

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#semiconductor ETF#SOXX#rebalancing calculator#asset allocation calculator#TQQQ#tariff shock#Nasdaq

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