What Happened?
A number of stocks fell in the afternoon session after major indices including the S&P 500 and Dow Jones Industrial Average fell sharply as investors reacted to escalating uncertainty tied to the U.S.-Iran conflict and policy deadlines set by the Trump administration.
Markets dislike unpredictability, and these fears were amplified, raising concerns of prolonged conflict and rising oil prices. This negative outlook reflected in consumer confidence, with the University of Michigan's sentiment index sliding to a three-month low.
The stock market overreacts to news, and big price drops can present good opportunities to buy high-quality stocks.
Among others, the following stocks were impacted:
- Drug Development Inputs & Services company Azenta (NASDAQ: AZTA) fell 4.7%. Is now the time to buy Azenta? Access our full analysis report here, it’s free.
- Genomics & Sequencing company 10x Genomics (NASDAQ: TXG) fell 5.1%. Is now the time to buy 10x Genomics? Access our full analysis report here, it’s free.
- Genomics & Sequencing company PacBio (NASDAQ: PACB) fell 6.7%. Is now the time to buy PacBio? Access our full analysis report here, it’s free.
- Health Insurance Providers company Oscar Health (NYSE: OSCR) fell 5.7%. Is now the time to buy Oscar Health? Access our full analysis report here, it’s free.
- Therapeutics company Moderna (NASDAQ: MRNA) fell 5.3%. Is now the time to buy Moderna? Access our full analysis report here, it’s free.
Zooming In On PacBio (PACB)
PacBio’s shares are extremely volatile and have had 85 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.
The previous big move we wrote about was 11 days ago when the stock gained 3% on the news that easing crude oil prices helped lift investor sentiment and reduce inflation worries.
The retreat in oil prices provided temporary relief to a market that was volatile amid geopolitical tensions. Lower energy costs can help temper inflation, which had been a primary concern for the economy and corporate profits. As a result, major indices like the S&P 500 and Dow Jones Industrial Average saw significant gains. This positive macroeconomic development boosted investor confidence across most sectors, leading to widespread buying activity that included major stocks within the healthcare industry, which rose in tandem with the overall market.
PacBio is down 32.3% since the beginning of the year, and at $1.25 per share, it is trading 53.4% below its 52-week high of $2.67 from January 2026. Investors who bought $1,000 worth of PacBio’s shares 5 years ago would now be looking at only $43.49.
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