US regular session 9:30 AM–4:00 PM ET·Stories: Sat 17 Oct 2026·Stock prices: as of 4:00 PM ET Fri 16 Oct (Finnhub)·Updated Fri 16 Oct, 7:07 PM ET·New York --:-- · Your time --:--
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Movers

Friday's biggest movers: Hewlett Packard Enterprise falls 7.1% and Ericsson jumps 11.8%

The largest moves among $20B+ companies, with the context the numbers give: how unusual each move was and any filing or earnings report behind it.

The short version

  • Top decliner: HPE -7.1%.
  • Top gainer: ERIC +11.8%.
Get the daily filings briefMovers, SEC filings and earnings before the open. Free.

Among US-listed companies worth at least $20 billion, the biggest moves in Friday's session (16 October) came from Hewlett Packard Enterprise, which fell 7.1%, and Ericsson, which rose 11.8%.

HPEHewlett Packard Enterprise-7.1%
MTSIMACOM Technology Solutions-6.8%
DELLDell-6.8%
RKLBRocket Lab-6.6%
VGVenture Global-5.8%
Biggest decliners, $20B+ companies, 16 Oct 2026 Source: Nasdaq; Yahoo Finance

The decliners

Hewlett Packard Enterprise (HPE) fell 7.1% to $58.63. It was its biggest one-day drop since 14 October, based on the past year of closes. The shares are up 130% this year and 25.0% below their 52-week closing high. Coverage since the move includes StockStory's headline “Stocks making big moves this week: Hewlett Packard Enterprise, Frontdoor, Chipotle, Domino's, and Manhattan Associates”.

MACOM Technology Solutions (MTSI) fell 6.8% to $271.39. It was its biggest one-day drop since 15 October, based on the past year of closes. The shares are up 53.1% this year and 36.0% below their 52-week closing high.

Dell (DELL) fell 6.8% to $473.39. It was its biggest one-day drop since 15 October, based on the past year of closes. The shares are up 259% this year and 23.3% below their 52-week closing high. Coverage since the move includes Barrons.com's headline “HPE Stock’s Worst Week Ever Exposes Wall Street’s Newest Fear”.

Rocket Lab (RKLB) fell 6.6% to $55.25. It was its biggest one-day drop since 14 October, based on the past year of closes. The shares are down 27.1% this year and 66.2% below their 52-week closing high. On 14 October the company filed an 8-K in which it published a Regulation FD disclosure and disclosed another material event.

ERICEricsson+11.8%
CRCLCircle+9.3%
AFRMAffirm+7.7%
RBLXRoblox+7.6%
RDDTReddit+7.2%
Biggest gainers, $20B+ companies, 16 Oct 2026 Source: Nasdaq; Yahoo Finance

The gainers

Ericsson (ERIC) rose 11.8% to $10.71. It was its biggest one-day gain since 15 October, based on the past year of closes. The shares are up 9.3% this year and 23.2% below their 52-week closing high. It reported quarterly results on 15 October: EPS of $0.18 against a $0.14 consensus (Nasdaq). Coverage since the move includes Reuters's headline “European shares close out best week since June as earnings soften blow from tech selloff”.

Circle (CRCL) rose 9.3% to $86.97. It was its biggest one-day gain since 15 October, based on the past year of closes. The shares are up 3.7% this year and 42.6% below their 52-week closing high. Coverage since the move includes MT Newswires's headline “Market Chatter: Circle Plans to Enter 40 New Global Markets, CEO Says”.

Affirm (AFRM) rose 7.7% to $75.92. It was its biggest one-day gain since 24 June, based on the past year of closes. The shares are down 0.6% this year and 13.7% below their 52-week closing high.

Roblox (RBLX) rose 7.6% to $51.13. It was its biggest one-day gain since 14 September, based on the past year of closes. The shares are down 38.9% this year and 63.3% below their 52-week closing high.

The megacaps

Of the 12 most-watched names we track, 1 closed higher. Apple (AAPL) did best at +0.43%, and Supermicro (SMCI) worst at -9.86%.

Figures: Nasdaq (prices and market values for $20B+ companies), Yahoo Finance (past-year closes), SEC EDGAR, Nasdaq earnings calendar. Closing prices.

Stocks in this story

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