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Every movers-explained article we have published: why each big gainer and decliner moved, written daily from the live wire. Search by ticker or keyword.

2026-10-30

Why Is ADT Stock Up Today? ADT

ADT stock surged 33.20% to $9.87 on Tuesday, driven by the announcement that Thrive Holdings will acquire the home security provider in an all-cash transaction. The deal values ADT…

Why Is AEHR Stock Down Today? AEHR

Aehr Test Systems shares fell 14.32% to $52.44 on Wednesday. The primary driver was a new 8-K filing disclosing the departure of certain officers and the appointment of a new direc…

Why Is AGIO Stock Down Today? AGIO

Agios Pharmaceuticals stock fell 15.04% to $31.63 as the FDA delayed the review of the company’s mitapivat supplemental new drug application for sickle cell disease. The primary dr…

Why Is ALNY Stock Down Today? ALNY

Alnylam Pharmaceuticals shares fell 25.13% to $174.00 on October 29, 2026. The primary driver was the company's third-quarter earnings report, which revealed that product demand la…

Why Is AN Stock Up Today? AN

AutoNation shares rose 7.77% to close at $182.49 on Friday, driven by third-quarter results that topped revenue expectations despite a miss in earnings per share. The stock printed…

Why Is ATEC Stock Down Today? ATEC

Alphatec Holdings stock fell 35.38% to $7.35 on Friday. The sharp decline followed disappointing third-quarter earnings that triggered a wave of price target cuts from multiple inv…

Why Is AUR Stock Down Today? AUR

Aurora Innovation shares fell 13.46% to close at $4.41 on Wednesday. The sharp decline followed the company’s release of third-quarter results, which included a significant reducti…

Why Is BHC Stock Up Today? BHC

Bausch Health Companies Inc (BHC) shares surged 28.76% to close at $8.91. The sharp gain followed the release of third-quarter 2026 results, which featured adjusted EBITDA topping …

Why Is BOOT Stock Up Today? BOOT

Boot Barn Holdings Inc (BOOT) shares surged 15.16% to close at $130.48. The primary driver of this intraday move appears to be a wave of analyst activity, with several firms adjust…

Why Is BTSG Stock Up Today? BTSG

BrightSpring Health Services (BTSG) shares surged 13.14% to $68.13 following the release of third-quarter financial results. The primary driver was a significant beat on both earni…

Why Is CCJ Stock Down Today? CCJ

Cameco Corp (CCJ) shares fell 10.52% to $74.71, driven by a third-quarter earnings report that missed revenue expectations and a narrowed 2026 production guidance. The stock gapped…

Why Is COHR Stock Down Today? COHR

Coherent Corp (COHR) shares fell 12.44% to close at $207.70. The primary driver was a sector-wide rotation in optical component stocks following reports that Marvell Technology is …

Why Is COIN Stock Down Today? COIN

Coinbase Global shares fell 11.50% to $142.13, driven by a record $6.3 billion hack at rival exchange Binance and a 35% drop in quarterly revenue. The decline was compounded by pla…

Why Is COUR Stock Down Today? COUR

Coursera shares fell 23.93% to $3.55 on Friday. The sharp decline followed the release of third-quarter 2026 results, which triggered a wave of price target reductions and a downgr…

Why Is CROX Stock Up Today? CROX

CROX shares surged 25.54% to close at $150.26 on Thursday. The sharp move followed the release of third-quarter results that exceeded expectations, driven by record revenue and a s…

Why Is EXEL Stock Up Today? EXEL

Exelixis shares rose 7.11% to $70.91 on Friday, driven by strong third-quarter results and a series of analyst price target hikes. The company reported that Cabozantinib sales grew…

Why Is FDXF Stock Up Today? FDXF

FDXF shares rose 12.44% to $123.34, driven by a quarterly earnings beat and raised guidance. The stock printed two fresh 52-week highs on October 30, 2026, following the release of…

Why Is FTAI Stock Up Today? FTAI

FTAI Aviation Ltd. shares climbed 17.27% to $196.01 on Thursday. The primary driver was the announcement of a record third-quarter EBITDA and the launch of a $500 million accelerat…

Why Is GEN Stock Up Today? GEN

Gen Digital shares rose 15.81% to close at $28.20, driven by a strong quarterly earnings report and the dismissal of merger speculation. The company reported that it is not current…

Why Is GKOS Stock Up Today? GKOS

Glaukos Corp (GKOS) shares surged 33.65% to $242.48, marking a significant jump from its previous trading levels. The primary driver was a strong quarterly earnings report where re…

Why Is INSM Stock Up Today? INSM

Insmed shares rose 15.06% to $111.59 on Thursday, driven by a strong third-quarter revenue beat and raised full-year guidance. The stock’s surge followed the company’s announcement…

Why Is IOVA Stock Down Today? IOVA

Iovance Biotherapeutics shares fell 12.55% to $8.36 on Thursday, driven by the release of updated Phase 2 clinical trial data for its Amtagvi therapy in non-small-cell lung cancer.…

Why Is MEOH Stock Up Today? MEOH

Methanex Corp (MEOH) shares rose 10.39% to close at $69.28 on October 29, 2026. The primary driver was a strong third-quarter earnings report that significantly exceeded analyst ex…

Why Is MPT Stock Down Today? MPT

MPT shares fell 14.96% to $2.08 on October 30, 2026. The primary driver was a downgrade by RBC Capital Markets following third-quarter results that missed estimates. RBC Capital Ma…

Why Is NOW Stock Down Today? NOW

ServiceNow shares fell 26.95% to close at $109.67 on Thursday. The sharp decline followed the company’s third-quarter earnings report, which included a guidance outlook for slower …

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