The Philadelphia Semiconductor Index sank ~10% for the week, its largest weekly fall in over a year, and is now down ~20% from its late-June all-time high (Reuters)

<a href="https://www.reuters.com/world/asia-pacific/chipmakers-other-high-flying-stocks-slide-ai-trade-wobbles-2026-07-17/"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260717/i23.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260717/p23#a260717p23" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> <a href="http://www.reuters.com/">Reuters</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://www.reuters.com/world/asia-pacific/chipmakers-other-high-flying-stocks-slide-ai-trade-wobbles-2026-07-17/">The Philadelphia Semiconductor Index sank ~10% for the week, its largest weekly fall in over a year, and is now down ~20% from its late-June all-time high</a></b></span>&nbsp; &mdash;&nbsp; A brutal week for chip stocks &mdash; the same names that fueled this year's blistering market rally &mdash; has left investors from Seoul &hellip; </p>