Stock Market Today: Russell 2000, Nasdaq Decline After Strong Start to Trading Week

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Happy Monday. This is TheStreet’s Stock Market Today for Dec. 15, 2025. You tin travel the latest updates connected the marketplace present successful our regular unrecorded blog.

It's that clip of time again. Everyday astir the midpoint of trading, we instrumentality a look astatine the champion and worst-performing 20 stocks connected the U.S. markets with astatine slightest a $2 cardinal marketplace cap, our Midday Movers list. And with markets tilted to the downside close now, this database is decidedly telling a wide story:

We'll commencement with the much divers database of equities contiguous -- the winners.

At the apical of the marketplace contiguous is Immunome (+18.2%), a biotech institution that conscionable announced affirmative results from a signifier 3 proceedings of a cause targeting Desmond tumors.

The winners contiguous are decidedly much varied than the losers (more connected that successful a second), but determination are immoderate communal themes.

For one, apparel names Abercrombie & Fitch (+6.2%) and American Eagle (+6%) are connected the determination today, joined by immoderate different retail names similar GameStop (+5%) and Wayfair (+4.9%).

Second are car manufacturers similar Vinfast (+8%), Tesla (+3.9%), and Rivian (+3.8%). While the Vietnamese EV steadfast seems to beryllium surging connected plans to summation its concern successful Indonesia, the second 2 look to beryllium jumping connected self-driving and AI chatter.

Here is today's apical 20:

It's beauteous wide chopped wherever today's losers are at. (If you've been pursuing this morning, you've seen the vigor maps.)

At the bottommost of the marketplace is crypto miner Cleanspark (-15.2%). It's hardly alone. In fact, implicit fractional of the names connected this database contiguous are crypto-related -- instrumentality a look astatine those 'capital markets' names, positive Applied Digital, which bills itself an IT services institution but owns a beauteous hefty integer assets treasury.

Today's diminution comes arsenic the crypto marketplace headdress fell beneath $3 trillion, down 3% today. Bitcoin is present beneath $86K, portion Ethereum is backmost beneath $3K.

Here's the bottommost 20:

As we attack midday, things are decidedly shaping up otherwise than however we started the day. Nearly two-thirds of U.S. issues (63%, 3,498 issues) are successful diminution now.

Many of those declines are coming from the Russell 2000 (-0.61%), which started the time connected a beardown note, but is present suffering a akin destiny to its tech dense ample headdress compatriot, the Nasdaq.

Today, exertion names are sagging -- specifically successful software, hardware, and connection services. You tin instantly place that occupation connected the Russell 2000's vigor map: