Stock Movers Oct 20, 2026: SAIQ More Than Doubles, Followed by PRSO and ATGL
The day belonged to WISeSat.Space Holdings Corp. (SAIQ:NASDAQ), which more than doubled with a 101% gain. 16 U.S. stocks gained 20% or more. In Canada, Lithium Africa Corp. (LAF:TSXV) topped the list with 37.9%. 6 of the 10 biggest U.S. gainers had a news headline in the last two days.
Context matters for SAIQ's doubling. At $6.84, the stock still sits 22% below its 50-day average, and the gain was its biggest in a single day since October 5, 2026. SAIQ had news on a cybersecurity topic and traded 35.3 times its average volume. PRSO closed at $0.59, 11% above its 50-day average, on 926.9 times its average volume. That was its biggest one-day gain since March 6, 2026. ATGL, at $6.93, finished 17% above its 50-day average. Its jump was the largest since November 17, 2025, on 68 times its average volume.
Stand-out moves
WISeSat.Space Holdings Corp. (SAIQ:NASDAQ)
SAIQ more than doubled, up 100.6%, to close at $6.84, on 35.3× its average daily volume. It was its biggest one-day gain since October 5, 2026. The stock now trades 22% below its 50-day average. Our Spikes scanner recorded a spike on Fri, Oct 09, 2026 at $6.53 with a volume of 13M+. It appeared on our News Catalysts scanner in the 'CYBERSECURITY' category.
Peraso Inc. (PRSO:NASDAQ)
PRSO soared 54.1% to close at $0.59, on 926.9× its average daily volume. It was its biggest one-day gain since March 6, 2026. Our Spikes scanner recorded a spike on Mon, May 11, 2026 at $1.59 with a volume of 41M+. Latest headline: BC-Most Active Stocks.
Alpha Technology Group Limited (ATGL:NASDAQ)
ATGL soared 52.6% to close at $6.93, on 68× its average daily volume. It was its biggest one-day gain since November 17, 2025. The stock had been trading sideways between $4.40 and $4.92 over 14 days, and today's close broke above that range. On Mon, Oct 19, 2026, it hit a new 52-Week Intraday Low of $4.28.
Top 10 U.S. gainers
| Ticker | Price | % Change | Volume | Latest headline |
|---|---|---|---|---|
| SAIQ:NASDAQ | $6.84 | +100.59% | 55,973,781 | WISeSat.Space and SEALSQ Advance Satellite Cybersecurity Hardening as FOSSA Launches New 6U Satellit... |
| PRSO:NASDAQ | $0.591 | +54.13% | 228,038,363 | BC-Most Active Stocks |
| ATGL:NASDAQ | $6.93 | +52.64% | 1,415,764 | No recent news |
| BRZE:NASDAQ | $45.57 | +51.7% | 64,608,302 | Why Klaviyo Stock Rallied Today |
| HOST:NYSEMKT | $2.83 | +47.4% | 6,065,006 | Host Digital Authorizes $15 Million Share Buyback Program |
| AIXI:NASDAQ | $3.10 | +40.91% | 31,221,928 | No recent news |
| SAFX:NASDAQ | $0.207 | +32.14% | 83,110,154 | XCF Global Announces Agreement to Acquire Paramount, California Renewable Fuel Production Facility |
| MYGN:NASDAQ | $5.54 | +31.59% | 23,908,490 | Myriad Genetics stock surges on $210M prenatal unit sale |
| GOW:NASDAQ | $4.04 | +29.49% | 7,214,856 | No recent news |
| HUIZ:NASDAQ | $2.53 | +28.43% | 3,074,969 | No recent news |
Headlines behind the moves
- BRZE (+51.7%): Why Klaviyo Stock Rallied Today
- HOST (+47.4%): Host Digital Authorizes $15 Million Share Buyback Program
- SAFX (+32.1%): XCF Global Announces Agreement to Acquire Paramount, California Renewable Fuel Production Facility
- MYGN (+31.6%): Myriad Genetics stock surges on $210M prenatal unit sale
Top 10 U.S. losers
| Ticker | Price | % Change | Volume | Latest headline |
|---|---|---|---|---|
| CYCN:NASDAQ | $3.36 | -85.71% | 435,847 | No recent news |
| CJMB:NASDAQ | $0.660 | -65.63% | 5,936,409 | Callan JMB Advances IV Bag Manufacturing Facility with Projected $450 Million in Annual Revenue |
| HVII:NASDAQ | $4.46 | -50.88% | 10,512,865 | ProPetro Appoints Kyle Crowley to Board of Directors |
| SXTC:NASDAQ | $0.065 | -41.28% | 40,928,236 | No recent news |
| PMI:NYSEMKT | $10.48 | -32.17% | 1,004,393 | No recent news |
| RAIL:NASDAQ | $4.02 | -31.37% | 2,456,578 | FreightCar America, Inc. Updates Full-Year 2026 Outlook and Reports Preliminary Third Quarter 2026 R... |
| GMEX:NASDAQ | $0.940 | -28.79% | 13,083,052 | GMEX Robotics Announces MediaMeta's U.S. AI-Powered Autonomous Grooming Project and Patent Filing |
| GCDT:NYSEMKT | $0.200 | -28.32% | 64,116,495 | No recent news |
| AXG:NASDAQ | $0.087 | -27.61% | 6,583,146 | No recent news |
| CRMT:NASDAQ | $0.790 | -26.17% | 1,332,102 | No recent news |
Top Canadian gainers (TSX, TSXV, CSE)
Top Canadian losers (TSX, TSXV, CSE)
| Ticker | Price | % Change | Volume | Latest headline |
|---|---|---|---|---|
| BZ:TSXV | $4.01 | -13.2% | 116,981 | Benz Announces That Icon Continues Rapid Growth with Multiple Broad, High-Grade Gold Intercepts |
| SOMA:TSXV | $0.540 | -11.48% | 202,428 | No recent news |
| ETG:TSX | $2.69 | -11.22% | 237,155 | Entrée Resources Announces Non-Brokered Private Placement |
New 52-week highs and lows (U.S.)
New highs: MWYN, MTCH, PAYC, APLE, AII, SHO, BOX, CNK, ARQT, AMN
New lows: RAIL, IPW, RBNE, MNY, YFOR, INLF, ATII, SGRX, CDT, MYND
Explore
- Spikes scanner: stocks with unusual price and volume moves
- Gaps scanner: stocks that gapped up or down
- Breakouts scanner: stocks leaving their sideways range
- News catalysts: stocks moving on news
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