Stocks making the biggest moves midday: Unusual Machines, Snowflake, Arm, Dollar Tree & more
Midday movers: IBM rose ~3% after filing it will invest over $10B in quantum computing over five years. Arm jumped >15% as Mizuho raised its target to $360. Norfolk Southern and Union Pacific fell ~4% after the Surface Transportation Board halted review of their $71.5B merger. Snowflake surged 37% on Q2 margin/product revenue guidance; Dollar Tree rose 18% after raising FY earnings outlook.
How this was made
The 30-second read
Why it matters
The dominant tradable drivers are (1) quantified guidance changes (SNOW, DLTR, A, BBY, HRL, EVR, KSS, NCNO), (2) deal/regulatory uncertainty (NSC/UNP), and (3) discrete catalysts like a Pentagon contract (DELL) and activist board appointment (SNPS).
Market read
Because the article centers on large intraday movers with explicit catalysts, it’s useful for same-day positioning and near-term follow-through trades around guidance/filing/regulatory headlines.
What to watch
For guidance-driven rallies (SNOW, DLTR, A, BBY), traders should verify whether the article’s ranges imply margin expansion sustainability and whether any cited partnerships/contract awards have near-term revenue recognition timing.
Background
This is a CNBC midday 'biggest movers' roundup combining regulatory filings, broker target changes, merger review actions, earnings/guidance updates, and major contracts/ownership disclosures.
Ticker impact
IBM disclosed it will invest more than $10B in quantum computing over the next five years, lifting shares about 3% midday.
Likely modest upside bias while investors digest the capex/ROI timeline; watch for volatility around follow-on details.
The article cites a specific regulatory-filing disclosure and an immediate positive price reaction, but no incremental financial guidance or milestones were provided.
Arm jumped more than 15% after Mizuho raised its price target to $360, citing 2027 internal CPU ramp tailwinds and customer CPU strength.
Near-term continuation risk to the upside if the market treats the ramp narrative as credible; otherwise mean reversion possible.
The catalyst is explicit (price target raise) and directly tied to Arm’s forward CPU ramp expectations, matching the magnitude of the move.
Norfolk Southern fell about 4% after the Surface Transportation Board halted its review of the proposed $71.5B merger with Union Pacific.
Downward pressure likely until the Board requests/receives the additional information and the timeline clarifies.
The article describes a concrete regulatory action (halted review) directly affecting the merger process.
Union Pacific dropped around 4% after the Surface Transportation Board halted its review of the proposed $71.5B merger with Norfolk Southern.
Expect continued risk-off trading around deal headlines until the review restarts.
Same regulatory halt described as directly impacting the merger application; immediate price move supports causality.
Snowflake surged about 37% after it guided Q2 adjusted operating margin to 12.5% and product revenue to $1.415B-$1.420B.
Higher probability of follow-through versus peers over the next few sessions given the magnitude of the beat vs consensus.
The article provides specific forward guidance ranges and compares them to analyst expectations, aligning with the large stock move.
Dollar Tree jumped about 18% after raising full-year adjusted EPS guidance to $6.70-$7.10 and announcing a DoorDash delivery partnership.
Bias toward continued upside while investors price in higher FY earnings and incremental delivery revenue/engagement.
Guidance is quantified and compared to consensus, but the article doesn’t quantify the partnership’s financial impact.
Salesforce guided current-quarter revenue to $11.27B-$11.35B (slightly below LSEG $11.36B) but raised full-year earnings guidance and reported a Q1 beat.
Likely choppy/limited upside unless investors focus on the raised full-year earnings guidance more than the current-quarter revenue range.
The article includes both a near-term revenue miss vs consensus and a full-year earnings raise, producing offsetting signals.
Agilent Technologies popped about 17% after raising full-year adjusted EPS guidance to $6.00-$6.10 and reporting a Q2 beat.
Sustained upside bias over days/weeks if investors accept the guidance raise as durable.
The catalyst is a quantified guidance increase plus beat on both top and bottom lines, consistent with the large move.
Market effects
Quantum capex (IBM) and CPU ramp optimism (Arm) support broader AI/semis infrastructure sentiment; margin/guidance moves (SNOW, A, HRL, EVR) can shift expectations across software and healthcare tools.
US-focused catalysts (STB merger halt, Pentagon contract, retailer guidance) likely drive sector rotation within US equities rather than cross-region effects.
Defense procurement (Dell) and quantum/semis narratives (IBM/Arm) have international supply-chain and demand read-through, but the article is primarily US-market driven.
Counterpoint
Some moves may be headline-driven: e.g., Burlington’s drop despite beat suggests investors may be discounting quality of earnings or forward margin details not captured in the summary.
Key entities
- public_companyIBM
Quantum computing investment disclosure over the next five years.
- public_companyARM
Mizuho price-target raise tied to 2027 CPU ramp tailwinds.
- public_companySNOW
Q2 margin and product revenue guidance beat versus Street expectations.
- public_companyDLTR
Raised FY adjusted EPS guidance and announced DoorDash delivery partnership.
- public_companyNSC
STB halted review of the proposed merger with Union Pacific.
