Intuitive Surgical shares dropped approximately 15% over the past 30 days, accelerating sharply after the company's second-quarter 2026 earnings report released on July 16. Q2 revenue rose 19% year-over-year to $2.89 billion and adjusted EPS of $2.80 beat Wall Street estimates, yet investors focused on unchanged full-year procedure growth guidance.

KLA Corporation (KLAC) shares declined approximately 18.7% over the past 30 days, falling from $258.80 on June 25 to $210.52 on July 24. The stock hit an all-time high of $301.71 on June 30 before a sharp reversal triggered by insider selling, valuation concerns, and broad semiconductor sector rotation.

LegalZoom.com (LZ) shares surged approximately 24% over the last 30 days, rebounding sharply from a 52-week low of $5.22 reached in late June. The recovery was fueled by easing AI disruption fears, strong first-quarter results that beat revenue expectations, and raised full-year 2026 guidance.

NBIS plunged approximately -12.82% during Friday's regular session, dropping from a prior close of $220.97 to about $192.65, as the neocloud trade suffered a broad sector-wide unwind. The primary catalyst was a risk-off rotation out of high-multiple AI infrastructure names, with peer CoreWeave (CRWV) also declining sharply, while the Nasdaq trailed the broader market.

LBRT shares fell another -11.06% during regular trading on Friday, extending Thursday's -22% post-earnings collapse for a combined two-day loss of roughly -30%. The selloff was triggered by the company's Q2 earnings call, where CFO Michael Stock revealed a ~50% increase in 2026 capex to approximately $1.5 billion, driven by deposits on long-lead-time power generation equipment.

AEHR tumbled -12.04% during regular trading on Friday, extending a multi-session slide from its post-earnings peak of $98.91 on July 21 to approximately $77.85. The selloff reflects aggressive profit-taking after the stock surged over +40% following its July 14 blowout fiscal Q4 earnings report and FY2027 revenue guidance of $130M–$150M, implying 160%–200% year-over-year growth.

HIMS plunged -13.10% during regular trading on Friday, erasing Thursday's +3.35% FDA-driven gain and hitting intraday lows near $28.41. The primary catalyst was a healthcare sector sell-off triggered by HCA Healthcare's earnings report, which flagged a "negative payer mix shift" from rising uninsured patients that reduced pre-tax income by $400 million.

T1 Energy shares plunged -13.03% to $4.94 during regular trading Thursday, extending a brutal month-long selloff that has now halved the stock from its late-June highs near $10. The primary catalyst is a newly disclosed regulatory probe into the company's safety practices, compounded by short-seller allegations that T1 relied on banned Chinese suppliers in its solar manufacturing operations.

NVEC is trading at approximately $113.88 during today's regular session, down -15.15% from yesterday's close of $134.21, as heavy profit-taking sets in after an explosive two-day rally. The selloff follows an extraordinary +54.83% single-day surge on July 23, triggered by blowout Q1 FY2027 earnings reported after the July 22 close — revenue surged +81% YoY to $11.0 million and net income jumped +79% to $6.39 million.

ZVRA plummeted approximately -22.76% during Friday's regular session, extending a ~30% pre-market collapse that marks its steepest single-day decline since January 2021. The sell-off was triggered by the EMA's CHMP adopting a negative opinion on arimoclomol (Miplyffa), Zevra's lead therapy for Niemann-Pick disease type C, effectively blocking European market access.

COHR is down -8.34% during Friday's regular trading session, sliding to $287.09 from the prior close of $313.22 as a broad selloff grips optical communication and photonics stocks. The primary driver is a sector-wide rotation out of AI-linked optical names, with peers Applied Optoelectronics (AAOI) down over -8%, Credo Technology (CRDO) down over -7%, and Lumentum (LITE) down over -6% in sympathy.

HOOD dropped -7.10% during Thursday's regular session, falling from a prior close of $101.58 to $94.37, as multiple negative catalysts converged on the stock. The fallout from CEO Vlad Tenev's X account being hacked on Wednesday continued to weigh on sentiment; the compromised account was used to promote a fraudulent token on Robinhood Chain, raising concerns about platform security.

MU is down -5.83% intraday Friday, trading near $932, after closing at $990.21 on Thursday — the selloff accelerated during regular trading hours following overnight pressure. The primary catalyst is a sharp selloff in South Korean chip stocks overnight: the KOSPI dropped over 6%, while Samsung and SK Hynix each fell more than 7%, triggering sympathy selling across U.S. memory names.

SNDK fell -4.99% during Friday's regular session, sliding from a July 23 close of $1,610.33 to approximately $1,530.02 as of 9:49 AM ET, extending pre-market losses that began with a -2% to -3% overnight decline. The primary catalyst was a sharp sell-off in South Korean chip stocks — the KOSPI index plunged over 6%, while Samsung Electronics and SK Hynix each dropped more than 7%, triggering trading halts in Seoul and spilling contagion into U.S. memory names.

MXL plunged -19.10% during Friday's regular session, extending an after-hours selloff that began Thursday evening following its Q2 2026 earnings release. The decline was a classic "sell the news" reaction: Q2 revenue surged +55% YoY to $168.8M and adjusted EPS of $0.35 beat estimates, while Q3 guidance of $210M–$220M crushed consensus by over 20%.

CHRW tumbled -7.14% to $190.84 during Friday's regular session after a Dallas County jury issued an advisory $604 million compensatory verdict against the company late Thursday afternoon. The verdict stems from a 2021 fatal trucking crash in Mississippi where CHRW brokered a load to carrier Lupus Superior; the driver plowed into stopped traffic, killing three people and injuring others.

CBRS is trading down -6.47% during Friday's regular session, retreating to $205.77 after closing at $220.00 on Thursday. The decline follows a powerful two-day rally of approximately +27% from July 17 lows, fueled by back-to-back partnership announcements with CrowdStrike and AMD.

AXP tumbled -5.10% intraday to ~$323.45 from a prior close of $340.84, deepening premarket losses following its Q2 2026 earnings release before the open. The sell-off was triggered by a Q2 revenue miss — $19.64B came in shy of the $19.69B consensus — despite EPS of $4.53 beating estimates by $0.13.

TBT surged approximately 10% over the past 30 days, driven by a sharp selloff in long-dated U.S. Treasury bonds as yields climbed to multi-year highs. The 30-year Treasury yield held above 5% for its longest stretch since 2007, while the 10-year yield reached 4.71%, its highest level since January 2025.

AMZU is a leveraged single-stock ETF that seeks to deliver 200% of the daily price return of AMZN (Amazon.com, Inc.), before fees and expenses. The fund carries a net expense ratio of 0.99% and primarily uses swap agreements with major financial institutions to achieve its leveraged objective.