Arm, Applied Materials Lead Declines in Broader Tech Sell-Off

Shares of major technology companies, particularly within the semiconductor industry, faced significant selling pressure in Tuesday's trading, with industry giants Arm Holdings and Applied Materials leading the declines.

Semiconductor Sector Under Pressure

Mega-cap chip designer Arm (ARM) saw its stock fall by 4.17%, while semiconductor equipment manufacturer Applied Materials (AMAT) declined by 3.83%. The weakness was not isolated, indicating a broader risk-off sentiment for the sector.

Other notable companies in the chip ecosystem and related technology fields also experienced substantial drops. According to market data, the declines included:

• Astera Labs (ALAB): -6.2%
• Lumentum Holdings (LITE): -5.8%
• Teradyne (TER): -5.57%
• Silicon Motion (SIMO): -5.52%

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This widespread downturn suggests investors may be reassessing valuations or reacting to sector-wide concerns, impacting companies across the semiconductor supply chain.

Broader Market Movers

The negative sentiment extended to other large-cap technology firms, with public safety technology company Axon Enterprise (AXON) falling 5.13%. In the mid-cap space, semiconductor substrate manufacturer AXT Inc. (AXTI) posted a significant loss of 8.05%.

However, the market was not uniformly negative. In the mid-cap segment, biopharmaceutical company Mind Medicine (MMED) bucked the trend, surging 7.7%. Among small-cap stocks, Arcturus Therapeutics (ARCT) was a standout gainer, with its shares climbing 11.65%. Conversely, other small-cap names like PSQL and RZLV saw steep declines of 17.75% and 19.55% respectively, highlighting significant volatility in that segment of the market.