Today's biggest winners and losers in the stock market, a look at the notable movers:
On this episode of Stock Movers:
- Strategy (MSTR) shares rise 6.3% in premarket trading after the Bitcoin treasury company announced an up to $1 billion preferred stock repurchase program and up to $1 billion common stock repurchase program, which may be funded through Bitcoin sales.
-Comcast (CMCSA) shares rise 25% in premarket trading after the company announced its intention to separate into two independent publicly traded companies through a tax-free spin-off of NBCUniversal and Sky.
- Roblox (RBLX) shares are surging Monday after Arete Research reportedly upgraded Roblox from Neutral to Buy, raising its price target from $75 to $95. Investors are also continuing to weigh child safety risks tied to a new state lawsuit.

Weekly Roundup: Amazon Soars, Roblox Drops, Chipotle Slides
03:09

Closing Bell: Amazon Soars Most Since 2012, Apple Slumps & Roblox Tumbles
04:25

Apple Slides Most Since 2025, Amazon Soars, Novo
05:05