TOP TIERMARKET NEWSWIRE
Movers explained · 2026-08-04

Archived explainer. For the current picture see today's WLK page.

Why Is WESTLAKE CORP (WLK) Stock Up Today?

By the Top Tier Newswire AI Desk · August 4, 2026 at 3:44 PM ET · reviewed against 8 wire stories

WESTLAKE CORP (WLK) is up +14.82% in the latest session. Our newswire has captured 8 stories on WLK across 5 sources in the last 36 hours, with AI sentiment reading bullish (avg 63/100).

Public view, delayed 4h. Every headline, price and sentiment read below — and this write-up itself — reaches Pro subscribers live. Public readers see it once it clears the delay.

Why WLK stock is up today

Westlake Corporation stock surged 14.82% to $80.25 in a single session, driven by strong second-quarter earnings results and positive developments in its profitability plan. The company reported a doubling of EBITDA to $679 million, along with robust margin expansion in its core segments. These results exceeded both revenue and earnings expectations, contributing to a significant upward move in the stock.

What Happened

Westlake Corporation released its Q2 2026 earnings results, which showed a sharp turnaround in performance. Non-GAAP earnings per share came in at $2.01, beating estimates by $0.12, while revenue reached $3.27 billion, up 10.8% year over year and exceeding expectations by $20 million. The company also announced a $500 million reduction in debt and continued progress on a $600 million profitability initiative. These developments were highlighted in a slide deck published by the company in conjunction with its earnings call. Additionally, the dismissal of antitrust claims in two ethylene-related lawsuits by the District Court of Amsterdam provided further legal clarity.

What The Data Shows

The stock opened with a 4.2% gap up from the prior close and reached a session high of $80.33 at 3:40 PM ET. Volume has been elevated, with 1.7 million shares traded so far, representing 1.5 times the 3-month daily average. The stock is currently trading within its 52-week range of $56.33 to $124.23, though it remains unprofitable with a trailing twelve-month EPS of -12.72 and a net margin of -14.9%. Despite the recent gains, the company's fundamentals remain mixed, with a market cap of $9.0 billion and a revenue decline of 8.6% in the trailing twelve months.

What To Watch

The company’s next key event will be its scheduled earnings release for the third quarter, which will provide further insight into the sustainability of its recent performance. Investors should also monitor the breadth of coverage and analyst ratings for any shifts in sentiment.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

WLK by the numbers

Last: $80.25Session: +14.82%Coverage: 8 stories / 5 sourcesAI sentiment: 63/100 (bullish)Mkt cap: $9.0B52w: $56.33 to $124.23
WLK · Aug 4 session (5-min) · +15.37% vs prior close · updated 8:56 PM ET
$69.25$75.26$81.27prev close $69.89$80.639:30 AM11:52 AM2:15 PM4:37 PM7:00 PM9:30 AM · $73.819:35 AM · $75.809:40 AM · $76.269:45 AM · $76.689:50 AM · $76.809:55 AM · $76.5510:00 AM · $76.3810:05 AM · $76.4510:10 AM · $76.1110:15 AM · $76.4410:20 AM · $76.3610:25 AM · $75.7910:30 AM · $75.8310:35 AM · $75.7010:40 AM · $76.0010:45 AM · $76.2310:50 AM · $76.4710:55 AM · $76.7511:00 AM · $76.7011:05 AM · $76.6311:10 AM · $76.5611:15 AM · $76.8911:20 AM · $76.7011:25 AM · $76.7511:30 AM · $76.8511:35 AM · $76.7011:40 AM · $76.6911:45 AM · $76.7311:50 AM · $76.5611:55 AM · $76.6112:00 PM · $76.9512:05 PM · $76.7112:10 PM · $76.6912:15 PM · $77.0312:20 PM · $77.3312:25 PM · $77.2912:30 PM · $77.2212:35 PM · $77.1112:40 PM · $77.1312:45 PM · $77.3112:50 PM · $77.6412:55 PM · $77.611:00 PM · $77.681:05 PM · $77.531:10 PM · $77.661:15 PM · $77.851:20 PM · $78.151:25 PM · $78.161:30 PM · $78.641:35 PM · $78.671:40 PM · $78.781:45 PM · $78.981:50 PM · $78.921:55 PM · $78.812:00 PM · $78.892:05 PM · $78.952:10 PM · $78.802:15 PM · $78.892:20 PM · $78.912:25 PM · $78.712:30 PM · $79.092:35 PM · $79.112:40 PM · $79.292:45 PM · $79.192:50 PM · $79.202:55 PM · $79.113:00 PM · $79.843:05 PM · $79.833:10 PM · $79.653:15 PM · $79.573:20 PM · $79.643:25 PM · $79.883:30 PM · $79.873:35 PM · $79.973:40 PM · $80.043:45 PM · $79.693:50 PM · $79.563:55 PM · $80.634:00 PM · $80.634:05 PM · $80.604:10 PM · $80.636:30 PM · $80.637:00 PM · $80.63
AI sentiment, last 36h · averaged over 8 stories · 63/100 bullish
AI sentiment 63/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 8 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishSeeking Alpha · sentiment 56 · Westlake Corporation Q2 2026 Earnings PreviewSeeking Alpha · 56Westlake Corporation Q2 2026 Earnings PreviewBusiness Insider · sentiment 67 · Westlake Corporation Reports Second Quarter 2026 ResultsBusiness Insider · 67Westlake Corporation Reports Second Quarter 2026 ResultsSeeking Alpha · sentiment 68 · Westlake Corporation Non-GAAP EPS of $2.01 beats by $0.12, revenue of $3.27B beats by $20MSeeking Alpha · 68Westlake Corporation Non-GAAP EPS of $2.01 beats by $0.12, revenue of $3.27B beats by $20MSEC 8-K · sentiment 50 · WESTLAKE CORP (WLK) files 8-KSEC 8-K · 50WESTLAKE CORP (WLK) files 8-KSeeking Alpha · sentiment 68 · Westlake Corporation climbs 9% after Q2 earnings beatSeeking Alpha · 68Westlake Corporation climbs 9% after Q2 earnings beatInvestorsHub · sentiment 68 · Westlake Shares Rise After Second-Quarter Earnings Beat ExpectationsInvestorsHub · 68Westlake Shares Rise After Second-Quarter Earnings Beat ExpectationsMarketChameleon · sentiment 76 · Westlake Delivers Strong Second Quarter: EBITDA Doubles, Debt Cut by $500M, and Profitability Plan Remains on TrackMarketChameleon · 76Westlake Delivers Strong Second Quarter: EBITDA Doubles, Debt Cut by $500M, and Profitabi…Seeking Alpha · sentiment 50 · Westlake Corporation 2026 Q2 - Results - Earnings Call PresentationSeeking Alpha · 50Westlake Corporation 2026 Q2 - Results - Earnings Call Presentation
6d agoSeeking AlphaNEUTRAL 50Earnings

Westlake Corporation 2026 Q2 - Results - Earnings Call Presentation

2026-08-04. The following slide deck was published by Westlake Corporation in conjunction with their 2026 Q2 earnings call.

6d agoMarketChameleonBULLISH 76Earnings

Westlake Delivers Strong Second Quarter: EBITDA Doubles, Debt Cut by $500M, and Profitability Plan Remains on Track

Westlake Corporation’s Q2 2026 results reveal a sharp turnaround, driven by a doubling of EBITDA to $679M, robust margin expansion in core segments, and successful progress on a $600 million profitability initiative. Reduced debt, improving sales volumes, and disciplined capital allocation highlight a refocused, financially resilient business.

6d agoInvestorsHubBULLISH 68Earnings

Westlake Shares Rise After Second-Quarter Earnings Beat Expectations

Westlake Corporation (NYSE:WLK) beat second-quarter 2026 earnings and revenue expectations as stronger Performance and Essential Materials results, higher EBITDA and improved cash flow lifted profitability.

6d agoSeeking AlphaBULLISH 68Earnings

Westlake Corporation climbs 9% after Q2 earnings beat

Westlake (WLK) stock jumps nearly 9% after a Q2 earnings beat and 11% revenue growth.

6d agoSEC 8-KNEUTRAL 50General

WESTLAKE CORP (WLK) files 8-K

Filed: 2026-08-04 AccNo: 0001262823-26-000026 Size: 3 MB Item 2.02: Results of Operations and Financial Condition Item 7.01: Regulation FD Disclosure Item 9.01: Financial Statements and Exhibits

6d agoSeeking AlphaBULLISH 68Earnings

Westlake Corporation Non-GAAP EPS of $2.01 beats by $0.12, revenue of $3.27B beats by $20M

Westlake (WLK) Q2 earnings: non-GAAP EPS $2.01 beat by $0.12; revenue $3.27B up 10.8% YoY beat by $20M.

6d agoBusiness InsiderBULLISH 67Earnings

Westlake Corporation Reports Second Quarter 2026 Results

Significant improvement in net income and EBITDA from the prior quarter and prior year levels Three-pillar profitability improvement plan on track to deliver a $600 million...

7d agoSeeking AlphaBULLISH 56Earnings

Westlake Corporation Q2 2026 Earnings Preview

Westlake (WLK) Q2 earnings preview: EPS $1.89, revenue $3.25B, estimate revisions mixed.

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More on WLK: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier WLK move explainers: 2026-08-05 · 2026-08-04