Stock Markets March 23, 2026

GE Vernova, Palantir Drive Gains as Micron Retreats in a Volatile Monday Session

A broad set of names from mega-caps to small-caps posted outsized intraday moves, producing marked dispersion across market capitalizations

By Nina Shah PLTR GEV AVGO HD TSLA
GE Vernova, Palantir Drive Gains as Micron Retreats in a Volatile Monday Session
PLTR GEV AVGO HD TSLA

Equities displayed notable intraday volatility Monday, with several large-cap names including Palantir Technologies and GE Vernova posting solid gains while Micron Technology slipped. The session produced significant percentage moves across large, mid and small-cap lists, highlighting concentrated rallies in selected issues.

Key Points

  • Significant dispersion in intraday performance across mega-, large-, mid- and small-cap stocks.
  • Technology and industrial-related names were prominent among notable movers, highlighting sector-specific volatility.
  • Small- and mid-cap issues produced the largest percentage moves, indicating elevated short-term risk in lower market-cap segments.

Stocks moved unevenly through the trading day Monday, with a mix of strong advances and notable pullbacks across market-cap tiers. Technology and industrial-related issues featured prominently among the winners, while some semiconductor and small-cap names showed material declines.

Below are the most pronounced movers grouped by market-cap segment, presented in the order of the largest percentage changes reported intraday.


Mega-Cap Movers (Market Cap: $200B+)

  • Palantir Technologies Inc (PLTR) +5.75%
  • GE Vernova LLC (GEV) +5.12%
  • Avago Technologies (AVGO) +3.82%
  • Home Depot (HD) +3.51%
  • Tesla Motors (TSLA) +3.35%
  • Goldman Sachs Group (GS) +3.32%
  • Caterpillar (CAT) +3.05%
  • General Electric (GE) +2.97%
  • American Express (AXP) +3.02%
  • Micron Tech (MU) -3.95%

Large-Cap Stock Movers (Market Cap: $10B-$200B)

  • PayPay Corp (PAYP) +12.24%
  • Amer Sports A (AS) +7.63%
  • Albemarle (ALB) +7.51%
  • Silversun Tech (QXO) +7.46%
  • Modine Manufacturing Comp (MOD) +7.41%
  • Tempur-Pedic International Inc (SGI) +7.3%
  • Xpeng Inc (XPEV) +7.12%
  • Viking Holdings (VIK) +6.87%
  • AngloGold Ashanti Ltd (AU) +6.83%
  • Carnival Corp-Exch (CCL) +6.53%

Mid-Cap Stock Movers (Market Cap: $2B-$10B)

  • Federation Centres (VCX) +54.54%
  • Apogee Therapeutics (APGE) +20.83% - Apogee reported 52-week data for its atopic dermatitis drug candidate
  • AXT Inc (AXTI) +16.39%
  • Inflection Point Acquisition (LUNR) +14.86%
  • TTM Technologies (TTMI) +11.85%
  • Hut 8 Mining PK (HUT) +10.98%
  • Fastly Inc (FSLY) +10.91%
  • NantKwest (IBRX) +9.19%
  • Sezzle Inc PK (SEZL) +10.16%
  • York Space Systems Inc (YSS) +10.22%

Small-Cap Stock Movers (Market Cap: $300M-$2B)

  • CF Acquisition V (SATL) +35.1%
  • Central Vermont Pub Svc (CV) +24.45%
  • Allogene Therapeutics Inc (ALLO) +23.19%
  • Galecto Inc (DMRA) +22.77% - company reported governance changes including a new CEO and two new board members
  • Junee (SUPX) +14.77%
  • Breeze Holdings Acquisition (YDES) +14.84%
  • ARYA Sciences Acquisition III (NAUT) +16.82%
  • iHeartMedia A (IHRT) +15.26%
  • Swarmer Inc (SWMR) -23.45%
  • SeqLL (ATLN) -15.73%

Summary and Context

The session showed a mix of strong rallies and selective declines across the market-cap spectrum. Several mega-cap names recorded mid-single-digit advances while a number of small- and mid-cap issues posted double- and triple-digit percentage moves intraday. Notable outliers included Federation Centres, which rose more than 50% intraday, and select small-cap issues that fell sharply.

Key points

  • Broad dispersion across market-cap segments: mega-caps, large-caps, mid-caps and small-caps all recorded significant individual moves.
  • Technology and industrial-related stocks figure prominently among the winners and losers, illustrating sector-specific volatility within the session.
  • Several small- and mid-cap names produced outsized percentage moves, underscoring higher intraday volatility at lower market capitalizations.

Risks and uncertainties

  • Intraday volatility can produce rapid reversals; positions in names with large percentage moves may face heightened short-term price risk.
  • Smaller-cap securities displayed pronounced swings both up and down, implying greater liquidity and price-movement risk for those market segments.
  • Concentration of gains in a subset of issues means overall market direction may diverge from headline individual-stock performance.

These lists reflect intraday percentage changes and reported company-specific developments where noted. Market participants should consider the heightened volatility evident in this session when assessing exposure across market-cap categories.

Risks

  • High intraday volatility may lead to rapid price reversals and increased short-term trading risk, particularly for small- and mid-cap stocks.
  • Concentrated rallies in a limited number of issues can mask overall market direction, complicating portfolio positioning.
  • Liquidity constraints in smaller-cap securities may amplify price swings and execution risk.

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