The Stocks Top 25 Newsletter for Week 25 of 2026

 

OVERVIEW Happy Saturday Welcome to the Stocks Top 25 Newsletter this week!  The Stocks Top 25 reports the 25 best-performing stocks in the S&P 500, Nasdaq 100, and Russell 2000 year to date and tracks their performances over time. To help you understand this data further, check out our FAQ page, and feel free to reach out if you have questions!  Here are the Stocks Top 25 Lists for this week:              S&P 500 Top 25 S&P 500  NASDAQ 100 The Large-Cap Nasdaq 100 🤖 RUSSELL 2000 The Growth-Centric Russell 2000  New This Week: LOUD NAMES  Top Momentum Movers Ranked By Watcher and Sentiment   Mid-Cap / Micro-Cap Top Movers of the Week  Small-Cap Watchlist Biotech binaries dominated this week's Russell momentum screen, with one AI storage contract crashing the party.  $TNGX ( ▲ 4.41% )  : Tango Therapeutics, $4.9B cap, jumped 10 spots to #15: This week's top dawg held a +255% YTD move after June 8 Phase 1/2 pancreatic cancer data showed a 92% response rate. Risk: the readout was tiny, uncontrolled, and followed by a $500M offering.  $NVCT ( ▼ 2.44% )  : Nuvectis Pharma, $739M cap, new at #14: Nuvectis posted the screen's biggest WTD move at +97% after a June 22 Haisco license deal added two clinical-stage compounds. Risk: the deal requires financing conditions, so dilution risk is not theoretical.  $DFTX ( ▲ 0.36% )  : Definium Therapeutics, $4.9B cap, new at #16: Definium added +84% WTD after Phase 3 DT120-ODT depression data beat placebo by 8.1 points at six weeks. Risk: FDA review, DEA scheduling, and six-hour monitored dosing make this a regulatory binary.  $BLZE ( ▲ 8.5% )  : Backblaze, $807M cap, new at #23: Backblaze ripped +78% WTD after a $335M, five-year CoreWeave storage deal that dwarfs its 2025 cloud storage base. Risk:one giant customer contract can become one giant execution test.  $SLS ( ▲ 17.66% )  : SELLAS Life Sciences, $2.3B cap, new at #18: SELLAS rose +54% WTD as the Phase 3 REGAL AML trial closed in on its 80-event final analysis, with 78 events reached as of May 11. Risk: this is a binary survival readout, and a $150M ATM is available.  Next week's swing factor: Monday, June 29, is the first session with the reconstituted Russell indexes live. Fresh index flows can validate the new entrants or expose the crowded biotech chase.