Top Pre‑Market Losers Today (December 8, 2025): Biggest Stock Decliners Before the Opening Bell

The first pre‑market session of this critical Fed week is being driven less by blue‑chip drama and more by violent moves in tiny, speculative names. As of early trading on Monday, December 8, 2025, U.S. index futures were modestly higher — S&P 500 +0.11%, Nasdaq 100 +0.20%, Dow Jones +0.04% and Russell 2000 +0.34% — but a cluster of micro‑ and small‑cap stocks were already down double‑digits before the opening bell. StockAnalysis+2The Wall Street Journal+2

NASDAQ:FLYE · NASDAQ:IVP · NASDAQ:PLRZ · NASDAQ:SMX · NASDAQ:WHLR · Stock Market
Polyrizon (PLRZ) Stock Explodes on Naloxone Hydrogel Breakthrough and PL‑14 Upscaling – What Investors Should Know Now

Polyrizon (PLRZ) Stock Explodes on Naloxone Hydrogel Breakthrough and PL‑14 Upscaling – What Investors Should Know Now

Polyrizon Ltd. has gone from obscure micro‑cap to headline‑grabbing biotech in just two trading days. On December 4, 2025, the stock was changing hands in the mid‑teens, more than doubling from the prior close of $7.09, with intraday swings between roughly $12.5 and $18.2 and volume near 26 million shares – over 20× its recent average. MarketBeat+1
4 December 2025
···
Polyrizon Ltd (PLRZ) Stock Soars on Nasal Spray Milestone: Latest News, AI Forecasts and Risk Outlook – December 3, 2025

Polyrizon Ltd (PLRZ) Stock Soars on Nasal Spray Milestone: Latest News, AI Forecasts and Risk Outlook – December 3, 2025

Polyrizon Ltd has suddenly jumped from obscure micro‑cap to headline mover. On Tuesday, December 2, 2025, the Israeli biotech’s shares spiked roughly 130% in a single session after the company announced a key manufacturing upscaling milestone for its PL‑14 nasal allergy blocker platform. The stock closed at about $7.33 on Tuesday—up from $3.16 the prior session—with intraday highs above $8 and trading volume near 150 million shares. Pre‑market quotes on December 3 show the stock around $6, still dramatically higher than earlier in the week. StockAnalysis+1
3 December 2025
··
Follow on Google News
Add as preferred source Open in Google News

US Stock Market Today Updates

AI PORTFOLIO

Top Stock Picks

Today’s highest-ranked model selections.

#1 Strong Buy

NVIDIA

94/100
#2 Strong Buy

Meta Platforms

89/100
#3 Buy

Alphabet

87/100
#4 Buy

Amazon

84/100
#5 Selective Buy

Microsoft

80/100
View full portfolio
Editorial model selection. Not personalised advice.
MARKET CALENDAR

Key Events Today

The catalysts most likely to move markets.

#1

Warsh at Jackson Hole

Policy tone can move rates, USD, equities, gold and crypto simultaneously.

#2

Michigan sentiment

A weak final reading or elevated inflation expectations could pressure risk assets.

#3

Chicago PMI

A surprise versus 58.0 may alter the near-term manufacturing-growth narrative.

View full calendar
Times and estimates may change. Verify before trading.