$BA

Stocks making the biggest moves midday: Boeing, Amkor, Corning, Sandisk, Iqvia & more

Midday movers included Boeing (+~5%) after Q2 revenue of $24.56B beat estimates, Amkor (-24%) on weaker Q3 guidance ($1.95B-$2.05B), and memory chip declines with Roundhill Memory ETF (DRAM) down >8% and Sandisk -13%. Iqvia rose ~12% after raising guidance. Corning fell ~16% on cautious revenue outlook; PayPal, Coca-Cola, Sherwin-Williams and others also moved on earnings.

Original reporting
Published Jul 28, 2026, 5:30 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Jul 28, 2026, 5:58 PM UTC. Informational, not investment advice.
How this was made
alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
Stocks making the biggest moves midday: Boeing, Amkor, Corning, Sandisk, Iqvia & more — source image
Decision brief

The 30-second read

$BABullishMed
01

Why it matters

The most tradable catalysts are same-day guidance misses or raises (Amkor, Corning, IQVIA, Sherwin-Williams, Coca-Cola) and sector-driven weakness (memory complex, photonics sympathy).

02

Market read

Traders can use the guidance and settlement details to reassess near-term expectations and risk for the named movers during the session.

03

What to watch

For several names, the article omits guidance details or segment drivers; traders should verify whether management issued specific forward commentary beyond the cited revenue/EPS guidance.

Relevance 6/10Novelty 6/10Timing: midday trading, same-day reactions to earnings and guidance prints

Background

This is a midday market wrap highlighting large intraday movers tied to earnings results, guidance, and a major legal settlement.

Company-level read

Ticker impact

$BABullishMedium confidence
Context

Boeing shares rose about 5% after second-quarter revenues narrowly topped estimates, despite a wider-than-forecast adjusted loss.

Expected impact

Choppy-to-positive bias as traders weigh revenue beat versus weaker profitability.

Evidence & confidence

The article cites a revenue beat and a larger adjusted loss, which typically drives initial relief followed by scrutiny of cost structure and guidance.

$AMKRBearishHigh confidence
Context

Amkor Technology shares tumbled 24% after issuing weaker-than-expected third-quarter guidance versus FactSet expectations.

Expected impact

Further weakness possible if investors extrapolate the guide into demand and pricing.

Evidence & confidence

A large same-day drop tied directly to specific top-line guidance below consensus is a clear, actionable repricing signal.

$SNDKBearishMedium confidence
Context

SanDisk plunged 13% for a third consecutive session as memory chip stocks broadly sold off.

Expected impact

Near-term downside pressure likely persists while memory ETF weakness continues.

Evidence & confidence

The article attributes the move to broader memory-chip weakness rather than SanDisk-specific news, limiting precision.

$IQVBullishHigh confidence
Context

IQVIA rallied 12% after better-than-expected second-quarter results and raised full-year earnings and revenue guidance.

Expected impact

Bias toward continued outperformance over coming sessions as guidance reduces uncertainty.

Evidence & confidence

The article explicitly states both results beat and guidance hikes, which are typically strong drivers of follow-through.

$GLWBearishHigh confidence
Context

Corning shares plunged 16% despite beating second-quarter expectations, after current-quarter revenue guidance missed forecasts.

Expected impact

Downside continuation risk until management provides clearer visibility on the current quarter.

Evidence & confidence

A large move is directly linked to guidance missing analyst forecasts, which is usually the key driver for repricing.

$PYPLBullishMedium confidence
Context

PayPal gained 4% after second-quarter adjusted EPS and revenue both topped LSEG consensus estimates.

Expected impact

Mild-to-moderate upside bias, with follow-through dependent on any additional forward commentary not included here.

Evidence & confidence

The catalyst is a same-day earnings beat with specific numbers, but the absence of guidance limits conviction.

$COKEBullishMedium confidence
Context

Coca-Cola shares popped 5% after adjusted EPS and revenue beat expectations and the company hiked its full-year outlook.

Expected impact

Sustained positive bias likely, especially if the market treats the outlook hike as durable.

Evidence & confidence

The article includes both beat and outlook increase, but does not quantify the magnitude of the outlook change.

$SHWBullishMedium confidence
Context

Sherwin-Williams rose 8% after raising full-year adjusted earnings guidance and topping second-quarter estimates.

Expected impact

Potential continuation higher if traders extrapolate the raised range into estimates.

Evidence & confidence

The article provides a specific raised EPS range versus consensus, which is a solid driver, but no segment detail is given.

Market effects

Memory and photonics names are pressured by sector-wide weakness, while software and payments show resilience via earnings beats.

Primarily US large-cap and semiconductor complex sentiment during the session.

Semiconductor packaging and memory weakness can spill into broader global supply-chain and demand expectations.

Counterpoint

Some declines (UPS, Rambus) despite beats suggest the market may be reacting to forward-looking items not captured here, so selling solely on the headline move could be premature.

Key entities

  • Boeing

    Second-quarter revenues narrowly topped estimates; adjusted loss was wider than forecast.

  • Amkor Technology

    Third-quarter top-line guidance range came in below consensus, triggering a sharp selloff.

  • IQVIA

    Beat results and raised full-year earnings and revenue guidance; highlighted record net new bookings.

  • Corning

    Beats on second-quarter lines but current-quarter revenue guidance missed forecasts, driving a large drop.

  • Johnson & Johnson

    Agreed to settle thousands of talc lawsuits for $5.5 billion combined.

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