Stock Markets May 1, 2026 02:02 PM

Market movers: Oracle, Atlassian and a raft of tech names lead Friday’s stock swings

Mega-cap gains and volatile mid- and small-cap action punctuate a day of strong earnings, guidance updates and analyst moves

By Derek Hwang ORCL INTC PLTR TSLA AAPL
Market movers: Oracle, Atlassian and a raft of tech names lead Friday’s stock swings
ORCL INTC PLTR TSLA AAPL

Equity markets on Friday saw a broad mix of advances and declines across market-cap tiers. Large technology and healthcare mega-caps pushed higher, while a set of mid- and small-cap names experienced sharp moves driven by quarterly results, guidance revisions and corporate announcements. Atlassian posted one of the largest single-day gains among large caps after reporting robust quarterly results and raising guidance.

Key Points

  • Mega-cap technology and healthcare names broadly advanced, with Oracle, Intel, Palantir, Tesla and Apple among the largest gainers.
  • Atlassian posted a strong quarterly result and raised guidance, triggering one of the biggest large-cap rallies; several small- and mid-cap stocks moved sharply on a mix of earnings, guidance and deal news.
  • Movers spanned sectors including technology, healthcare, industrials and specialty software, highlighting cross-market volatility across size tiers.

Trading on Friday produced sizable moves across the market-cap spectrum, from mega-cap technology names to volatile small-cap stocks. Some household names rallied several percentage points, while other companies, particularly in the small- and mid-cap universe, recorded double-digit swings in both directions.


Mega-cap movers ($200 billion USD or higher)

  • Oracle Corp (ORCL) +7.73%
  • Intel Corp (INTC) +4.73%
  • Palantir Technologies Inc (PLTR) +4.38%
  • Tesla Motors (TSLA) +4.18%
  • Apple Computer Inc (AAPL) +3.74%
  • Eli Lilly And Co (LLY) +3.04%
  • Merck & Co (MRK) +3.13%
  • Micron Tech (MU) +3.39%
  • Arm (ARM) +2.09%

Large-cap stock movers ($10-$200 billion USD)

  • Atlassian Corp Plc (TEAM) - Atlassian soars 24% on blowout Q3 earnings, upbeat guidance +27.89%
  • Pershing Square Inc (PS) - Pershing Square Holdings to see reduced performance fees +24.59%
  • Twilio Inc A (TWLO) +20.68%
  • Reddit (RDDT) +13.98%
  • Applied Opt (AAOI) +14.8%
  • nVent Electric (NVT) - nVent Electric surges on earnings beat and raised guidance +12.69%
  • Yandex (NBIS) - Nebius to acquire Eigen AI for $643 million +12.35%
  • Veeva Sys Inc (VEEV) +11.1%
  • Roblox Corp (RBLX) - Raymond James downgrades Roblox stock rating on engagement pressures -16.76%
  • Summit Therapeutics PLC (SMMT) -22.6%

Mid-cap stock movers ($2-$10 billion USD)

  • AXT Inc (AXTI) +19.07%
  • Lightwave Logic Inc (LWLG) +20.74%
  • Ringcentral Inc (RNG) +12.01%
  • SoundHound AI (SOUN) +17.15%
  • Atmus Filtration Tech (ATMU) - Atmus Filtration stock tumbles on weak full-year guidance -15.25%
  • Dolby Laboratories (DLB) -12.39%
  • Ryan Specialty Group Holdings (RYAN) -11.25%
  • Standex International Corp (SXI) -11.56%
  • Bio-Rad Laboratories Inc (BIO) -9.77%
  • Ingram Micro Holding Ltd (INGM) -10.46%

Small-cap and notable additional movers ($300 million - $2 billion USD and other small-cap mentions)

  • Intel (INTC) +4.95%
  • Eli Lilly (LLY) +3.57%
  • Oracle (ORCL) +7.21%
  • Merck (MRK) +3.2%
  • Apple (AAPL) +3.62%
  • Micron (MU) +4.17%
  • Cree Inc. (WOLF) +26.65% / +26.4% (two related entries in the session)
  • Tesla (TSLA) +4.06%
  • AXT Inc (AXTI) +17.49%
  • Cerus Corp (CERS) +24.88%
  • Standex International (SXI) -12.09%
  • Bio-Rad (BIO) -9.52%
  • Dolby (DLB) -12.78%
  • RingCentral (RNG) +12.08%
  • Applied Opt (AAOI) +14.44%
  • Esperion Th (ESPR) +56.00% (see separate note on corporate action below)
  • Veeva (VEEV) +11.34%
  • Lightwave Logic (LWLG) +22.3%
  • Five9 Inc (FIVN) +32.38% (Five9 shares surge 18% as FY guidance tops estimates following solid Q1 results +32.12% appearing in another mention)
  • Summit Therapeutics (SMMT) -22.93%
  • Atlassian (TEAM) +27.25%
  • Twilio (TWLO) +21.49%
  • Atomera Inc (ATOM) +26.34% / +27.87% (multiple session entries)
  • Bandwidth (BAND) +23.28%
  • nVent (NVT) +12.73%
  • Eton Pharmaceuticals (ETON) +16.84% / +17.41% (multiple references)
  • Rackspace Technology Inc (RXT) +21.23%
  • Palantir (PLTR) +3.96%
  • Roblox (RBLX) -17.3%
  • Ryan (RYAN) -10.12%
  • SoundHound AI (SOUN) +16.57%
  • Atmus Filtration (ATMU) -15.63%
  • Arm (ARM) +2.34%
  • Reddit (RDDT) +13.77%
  • Pershing Square (PS) +27.29%
  • AAOX +29.64%
  • CBIO - Glycomimetc (CBIO) -18.89%

Corporate notes and discrete headlines embedded in the session

  • Atlassian reported a strong Q3 and raised guidance, prompting a roughly 24% rally in shares (TEAM +27.89% in one listing; TEAM +27.25% appears in another session entry).
  • Pershing Square Holdings is noted to be facing reduced performance fees, and PS rallied more than 24% in one listing (+24.59%), with another session entry showing +27.29%.
  • Esperion Therapeutics (ESPR) is listed with a large jump (+56.00%) and is separately noted as being the subject of an ARCHIMED acquisition proposal for up to $1.1 billion with a +55.75% move in one mention.
  • Five9 (FIVN) is reported to have strong guidance and Q1 results, with session entries citing both a 18% surge and an overall listed move of +32.12% / +32.38%.

The session reflects a mix of straightforward market reactions to earnings beats, guidance changes and corporate transactions, together with analyst downgrades that pressured specific names. Movements spanned the largest-cap technology and healthcare stocks down through highly volatile smaller issues.

Risks

  • Analyst downgrades and engagement concerns can produce steep declines in individual stocks, as illustrated by Roblox and Summit Therapeutics - impacts concentrated in social gaming and biotech sectors.
  • Weak guidance at mid-cap companies (for example, Atmus Filtration Tech) has the potential to pressure small- and mid-cap industrial and specialty manufacturers.
  • Corporate transaction headlines and multiple, sometimes differing session reports (for example on Esperion/ARCHIMED and Five9 guidance) create short-term volatility for affected small-cap biotech and software names.

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