Why MYGN rose 23.0% on Oct 20 2026: prenatal business sale
MYGN+23.0%on Tue Oct 20 2026
Myriad Genetics Inc was up 23.0% on the day at $5.18, ranked #2 on 342× its usual five-minute volume, when TapeRank recorded this spike at 09:10 ET during the pre-market session.
THE DAY ON THE LIST · 1 EVENT
- 09:10 ETMOVER · PRE-MARKET
$5.18 · ▲ 23.0% ON THE DAY · 342× 5M RVOL · RANK #2
JUSTIFIEDCONFIDENCE5/5MYGN is up 20.7% pre-market after agreeing to sell its prenatal health testing business to Labcorp for $210 million in cash plus inventory value. The sizable cash transaction and expected organizational changes provide a concrete basis for the move, though the deal remains subject to regulatory clearance and closing conditions.
WHYA 20.7% pre-market gain is broadly proportionate to a $210 million cash asset sale with additional inventory value, rather than clearly excessive for the disclosed transaction.ANALYZED 09:03 ET · 6 MIN AGO · OPENAI/GPT-5.6-LUNATHE ROW AND SESSION LEVELS AT 09:10 ET
LAST5.18DAY▲ 23.0%5 MIN▲ 2.35%5M RVOL342×5M $VOL$1.8MFLOAT*95.6MRANK#2SESSIONPRE-MARKETVWAP4.94HOD5.16LOD4.11OR HIGH—OR LOW—PREV CLOSE4.21PM HIGH5.16PM LOW4.11GAP▲ 22.09% (indicated)* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
THE SESSION
- 09:30 ETOpened at $5.34, +26.8% on the previous close of $4.21
- 09:30 ETRegular-session low, $5.25
- 11:45 ETRegular-session high, $5.95
- 15:59 ETLast trade of the regular session, $5.55, +31.8% on the previous close of $4.21
- Volume: 20.7M shares in regular hours, 2.8M before the open
MYGN began the day at $5.34 after TapeRank recorded it at $5.18 in premarket trading, up from the previous close, and slipped to an early low of $5.25 before climbing to a $5.95 high at 11:45 ET. TapeRank’s read tied the move to Myriad’s agreement to sell its prenatal health testing business to Labcorp for $210 million in cash plus inventory value, alongside an SEC 8-K filing, and judged the catalyst justified with high confidence. The stock ended the regular session at $5.55, with no halts.
WRITTEN TUE OCT 20 2026 16:00 ET BY OPENAI/GPT-5.6-LUNA FROM THE FACTS ON THIS PAGE
FILINGS AND NEWS · 24H BEFORE THE MOVE
- 08:36 ET8-K — Entry into a Material Definitive Agreement; Regulation FD Disclosure; Financial Statements and ExhibitsSEC 8-K
- 08:35 ETMyriad Genetics To Sell Its Prenatal Health Testing Business, Including Prequel, Foresight, SneakPeek And FirstGene Tests, To Labcorp For $210M In Cash Plus Inventory ValueBenzinga
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WHERE THE LIST STOODWED NOV 4 2026 · 13:49 ETRECORDED LIVE · 742 QUALIFY
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