TOP TIERMARKET NEWSWIRE
Movers explained · 2026-08-21

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

Why Is VICOR CORP (VICR) Stock Down Today?

By the Top Tier Newswire AI Desk · August 21, 2026 at 10:08 AM ET · reviewed against 1 wire stories

VICOR CORP (VICR) is down -2.76% in the latest session. Our newswire has captured 1 story on VICR across 1 source in the last 36 hours, with AI sentiment reading bullish (avg 58/100).

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 VICR stock is down today

VICR stock fell 2.76% to $201.90 in the session, driven by a mix of intraday price action and recent insider activity. The stock opened with a 2.3% gap up from the prior close but quickly reversed course, hitting a session low of $201.13 before settling near the low end of its range. The decline followed a broader market backdrop and a recent wave of insider sales.

What Happened

The stock opened at $212.50, briefly reaching a high of $212.77 before turning lower. The session saw a steady decline throughout the morning, with the last price at $201.79. This move continued a recent downward trend, with the stock having fallen 2.2% over the past eight sessions. The stock’s decline came despite positive guidance from Vicor’s recent conference calls, where the company projected Q3 revenue to grow nearly 10% year-over-year and FY2026 revenue to exceed $600 million. However, the stock’s performance appears to have been weighed down by broader market movements and recent insider transactions.

On August 17, two directors, Anderson Samuel J and Lavie Zmira, sold shares, while a corporate VP, Davies Philip D, sold on August 3. These transactions add to a broader trend of insider sales, with 47 total sales reported in the last 90 days, totaling $172.7 million. The most recent SEC Form 4 filing was on August 19.

What The Data Shows

The stock is currently trading within its 52-week range of $45.44 to $382.65, having printed 41 fresh 52-week lows on August 21. The session’s volume was 0.0M shares, which is 0.0x the 3-month average. The stock has a market cap of $10.0B, a P/E ratio of 66.7, and a beta of 2.38, indicating high volatility relative to the market. Vicor’s revenue has grown by 25.0% in the trailing twelve months, with a net margin of 30.6%. Despite these fundamentals, the stock’s performance suggests ongoing skepticism about its ability to convert growth into consistent cash flow.

What To Watch

Vicor is scheduled to report earnings on July 21, 2026. Investors will be watching for further guidance on the company’s ability to sustain its growth trajectory and address concerns around cash flow. Coverage breadth remains limited, with only one story published in the last 36 hours.

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.

VICR by the numbers

Last: $201.90Session: -2.76%7 sessions: -10.48%Coverage: 1 stories / 1 sourcesAI sentiment: 58/100 (bullish)Mkt cap: $10.0BP/E: 66.752w: $45.44 to $382.65
VICR · Aug 21 session (5-min) · -3.68% vs prior close · updated 8:51 PM ET
$199$206$214prev close $207.64$200.007:40 AM10:23 AM1:07 PM3:51 PM6:35 PM7:40 AM · $212.507:50 AM · $212.778:25 AM · $211.009:10 AM · $211.709:20 AM · $210.769:30 AM · $208.679:35 AM · $208.639:40 AM · $209.359:45 AM · $208.099:50 AM · $204.009:55 AM · $205.0010:00 AM · $201.9210:05 AM · $203.1510:10 AM · $199.9010:15 AM · $200.2210:20 AM · $200.0610:25 AM · $200.7210:30 AM · $201.2010:35 AM · $200.8510:40 AM · $200.0310:45 AM · $201.2110:50 AM · $200.2010:55 AM · $199.7111:00 AM · $200.8111:05 AM · $201.0611:10 AM · $202.4811:15 AM · $202.2311:20 AM · $201.4711:25 AM · $201.4911:30 AM · $201.7111:35 AM · $202.8911:40 AM · $202.6911:45 AM · $202.7711:50 AM · $203.2011:55 AM · $202.4912:00 PM · $202.0512:05 PM · $200.4512:10 PM · $200.4812:15 PM · $200.8812:20 PM · $200.5112:25 PM · $200.9412:30 PM · $200.0212:35 PM · $201.3812:40 PM · $201.4312:45 PM · $201.5912:50 PM · $201.9212:55 PM · $201.431:00 PM · $201.081:05 PM · $200.841:10 PM · $200.681:15 PM · $201.171:20 PM · $200.771:25 PM · $201.861:30 PM · $201.451:35 PM · $201.451:40 PM · $201.091:45 PM · $201.561:50 PM · $201.031:55 PM · $201.142:00 PM · $201.042:05 PM · $201.032:10 PM · $200.862:15 PM · $201.002:20 PM · $201.722:25 PM · $201.562:30 PM · $201.282:35 PM · $201.002:40 PM · $201.242:45 PM · $201.212:50 PM · $201.132:55 PM · $201.363:00 PM · $201.343:05 PM · $201.353:10 PM · $201.693:15 PM · $201.433:20 PM · $201.863:25 PM · $201.783:30 PM · $201.313:35 PM · $200.863:40 PM · $200.293:45 PM · $200.283:50 PM · $200.123:55 PM · $200.434:00 PM · $200.544:05 PM · $200.004:15 PM · $200.544:35 PM · $200.546:35 PM · $200.00
AI sentiment, last 36h · averaged over 1 story · 58/100 bullish
AI sentiment 58/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 1 story on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishSeeking Alpha · sentiment 58 · Vicor: Strong Growth, But Cash Conversion Remains UnprovenSeeking Alpha · 58Vicor: Strong Growth, But Cash Conversion Remains Unproven
23d agoSeeking AlphaBULLISH 58Product/PR

Vicor: Strong Growth, But Cash Conversion Remains Unproven

Vicor leverages knowledge of the art of designing, manufacturing and marketing modular power components and power systems. Learn more on VICR stock here.

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

Earlier VICR move explainers: 2026-09-11 · 2026-08-21 · 2026-08-20 · 2026-08-19 · 2026-08-18 · 2026-08-17