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Stock Markets April 16, 2026 04:37 PM

After-Hours Movers: Netflix Guidance, Alcoa Miss, Knight-Swift Cut, Trevi Offering, NiSource Deal Lift

Mixed after-hours reactions as guidance, earnings misses and capital moves weigh on industrials and tech-related names while energy-infrastructure agreements support a utility

By Nina Shah NFLX AA KNX TRVI NI
After-Hours Movers: Netflix Guidance, Alcoa Miss, Knight-Swift Cut, Trevi Offering, NiSource Deal Lift
NFLX AA KNX TRVI NI

Summary: Stocks moved in after-hours trading on developments ranging from corporate guidance and leadership changes to earnings misses, a capital raise and strategic infrastructure agreements. Netflix shares dropped despite stronger-than-expected quarterly results after guidance disappointed and Chairman Reed Hastings said he would depart. Alcoa missed first-quarter expectations on both earnings and revenue. Knight-Swift reduced Q1 earnings guidance, citing several factors including a large arbitration award. Trevi Therapeutics launched a $150 million underwritten common stock offering. NiSource rose after announcing energy infrastructure agreements with subsidiaries of Alphabet Inc. and Amazon Data Services, Inc. to support data center development in Indiana.

Key Points

  • Netflix shares fell about 8% after hours despite beating quarterly estimates; weakness was driven by guidance that trailed expectations and the announcement that Chairman Reed Hastings will depart - impacts technology and media sector sentiment.
  • Alcoa missed first-quarter consensus on earnings and revenue, reporting Q1 EPS of $1.40 versus an estimate of $1.47 and revenue of $3.19 billion versus $3.3 billion consensus - impacts industrials and basic materials.
  • Knight-Swift lowered Q1 earnings guidance citing multiple factors including a large arbitration award, and Trevi Therapeutics started a $150 million underwritten common stock offering, prompting respective share declines - affects transportation and small-cap biotech equity flows; NiSource rose after securing energy infrastructure agreements with subsidiaries of Alphabet and Amazon Data Services to support data center development in Indiana, benefiting utility and energy-infrastructure exposure.

After-hours market movers:

Netflix (NFLX) slipped about 8% in after-hours trade despite reporting quarterly results that beat expectations. The decline followed guidance that came in below analyst estimates and an announcement that Chairman Reed Hastings will step down. The share reaction highlights investor focus on forward-looking metrics and leadership transitions even when near-term results exceed forecasts.

Alcoa (AA) declined roughly 7% after releasing first-quarter results that missed consensus on both the top and bottom lines. The company reported Q1 EPS of $1.40, which was $0.07 lower than analysts had expected at $1.47. Revenue for the quarter was $3.19 billion compared with a consensus estimate of $3.3 billion. The combined shortfalls on revenue and EPS contributed to the negative after-hours move.

Knight-Swift Transportation (KNX) fell around 3% after the company lowered its Q1 earnings guidance. Management attributed the revision to several factors that affected quarterly performance, including a large arbitration award. The guidance cut appears to have influenced the trailing session as investors digested the revised outlook.

Trevi Therapeutics Inc. (TRVI) dropped about 10% after announcing it has commenced an underwritten public offering of $150 million in common stock. The share decline followed the capital-raising news as markets priced in the potential dilution from the new offering.

NiSource (NI) rose approximately 3% in after-hours trading after announcing strategic energy infrastructure agreements with subsidiaries of Alphabet Inc. and Amazon Data Services, Inc. The agreements are intended to support data center development in Indiana and contributed to the positive after-hours move for the utility.

Context and market implications: These after-hours moves reflect a mix of driver types: management decisions and guidance (Netflix), operational and revenue shortfalls (Alcoa), revised earnings outlooks affected by legal or contractual outcomes (Knight-Swift), capital markets activity (Trevi), and new commercial infrastructure agreements that boost a regulated utility's prospects (NiSource). The market response underlines how investors differentiate between one-time items, forward guidance, and strategic partnerships.

Note: All percentage moves and financial figures cited are drawn from the companies' respective after-hours reports and announcements.

Risks

  • Guidance shortfalls can pressure shares despite positive reported results, as seen with Netflix - this presents near-term uncertainty for media and tech sector valuations.
  • Earnings and revenue misses, as with Alcoa's Q1 results, introduce execution risk for industrials and materials companies and can weigh on supplier and downstream market expectations.
  • Legal or one-off items, such as the large arbitration award cited by Knight-Swift, can alter quarterly results and complicate forward earnings visibility for transportation firms.

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