Paccar — The manufacturer of Peterbilt trucks saw a notable increase of 7% following President Donald Trump’s announcement of a 25% tariff on imported heavy trucks, effective October 1.
Intel — Shares of the chip giant rose by 4.4%. Reports from The Wall Street Journal indicate that Intel has reached out to Apple, Taiwan Semiconductor, and other firms regarding potential investments to stabilize its position.
Furniture Stocks — In a contrasting move, President Trump declared a 30% tariff on upholstered furniture, effective October 1, which negatively impacted furniture retailers. Notably, RH dropped nearly 4%, while both Wayfair and Williams-Sonoma experienced declines of about 3%.
Semiconductor Companies — The semiconductor sector faced a downturn as reports surfaced that Trump is contemplating tariffs on chipmakers that fail to maintain a 1:1 ratio of domestically produced to imported semiconductors. STMicroelectronics fell approximately 2%, with Marvell Technology, Taiwan Semiconductor, and Teradyne each dipping around 1%.
U.S. Pharmaceutical Stocks — In a significant policy shift, Trump announced a 100% tariff on branded, patented drugs entering the U.S., although companies establishing manufacturing plants domestically are exempt. Eli Lilly, Abbvie, and Merck all saw gains of 1.5%, while Amgen increased by nearly 1%. Conversely, U.S.-listed shares of Novo Nordisk slipped about 1%.
Concentrix — The technology and services firm experienced a sharp decline of 20% after disappointing third-quarter earnings. Adjusted earnings were reported at $2.78 per share, falling short of the consensus estimate of $2.87 per share, as compiled by LSEG.
Six Flags Entertainment — The amusement park operator saw a rise of 3.3%. Shareholder Land & Buildings issued a public letter to stakeholders, suggesting ways to enhance value by monetizing real estate holdings, including the potential spin-off of real estate into an investment trust.
Kenvue — Shares of the Tylenol manufacturer increased by 1.4% following an upgrade from Rothschild & Co. The firm indicated a clear path to value creation after the stock’s recent pullback. Kenvue has faced a decline of over 20% this month due to reports linking Tylenol use by pregnant mothers to autism, a claim made by the Trump administration on Monday.
Warner Bros Discovery — The owner of HBO Max saw a slight decrease of 1% after a downgrade from KeyBanc, which expressed concerns that the stock’s valuation has outpaced its fundamentals.
Riot Platforms — The bitcoin mining company was upgraded by Citigroup from neutral to buy/high risk, resulting in a 4.6% increase in stock price after a 4.1% decline earlier in the week.
Costco Wholesale — Shares dipped by 1% despite fiscal fourth-quarter earnings and revenue surpassing Wall Street expectations. The warehouse retailer reported earnings of $5.87 per share on revenue of $86.16 billion, exceeding consensus estimates of $5.80 per share on revenue of $86.06 billion, according to analysts surveyed by LSEG. Costco also reported double-digit growth in both membership income and e-commerce sales. However, Costco shares have lagged behind the market in 2025, rising less than 3%.
—CNBC’s Alex Harring and Sarah Min contributed reporting. (Discover the best strategies for 2026 from experts at the NYSE with Josh Brown and others at CNBC PRO Live. Tickets and info available here.)
