Stocks making the biggest moves midday: Generac, Intuitive Machines, EchoStar, Meta, Braze & more

Here are some of the names making headlines in midday trading. Generac Holdings – Shares of the generator manufacturer tumbled 7% after its forecast for EBITDA margin failed to impress Wall Street. Generac is looking for EBITDA of $1.25 billion to $1.45 billion in 2028, while the FactSet consensus sought $1.29 billion. EBITDA margin is expected to be in the low-20% range, versus the consensus call for 21.4%. Meta Platforms – The Instagram and WhatsApp owner rose about 1%. Meta is letting go several hundred of its employees across different businesses, including Facebook and Reality Labs, a source familiar with the company’s plans told CNBC. Intuitive Machines – The space tech and infrastructure company surged more than 15% after winning a $180.4 million contract with the National Aeronautics and Space Administration to deliver seven science and technology payloads to the moon. Shares of Firefly Aerospace and Rocket Lab rose in sympathy, gaining more than 16% and 10%, respectively. PDD Holdings – U.S.-traded shares of the owner of Temu gained 7%. PDD total revenue in the fourth quarter totaled 123.9 billion yuan, a 12% year-over-year increase. But the result was just shy of the FactSet consensus call for 124.5 billion yuan. Arm Holdings — Shares popped nearly 20% after Arm unveiled its first in-house chip, saying it would generate $15 billion in revenue by 2031 . EchoStar — Shares gained nearly 11% after The Information reported that SpaceX could file for an IPO as soon as this week. EchoStar, a satellite communications provider, holds about a 3% stake in the Elon Musk-led company. Chewy — The pet product and service company jumped 11%. Guidance for net sales in the current quarter of $3.33 billion to $3.36 billion topped the FactSet consensus call for $3.27 billion. Expectations for 2026 sales also surpassed expectations. KB Home — The homebuilder fell almost 5% after reporting fiscal first-quarter earnings of 52 cents per share, below the 55 cents per share analysts polled by LSEG had estimated. KB’s $1.08 billion in revenue also lagged the consensus estimate of $1.10 billion. KB Home also forecast current-quarter housing revenue and deliveries that missed StreetAccount consensus estimates. Braze — The cloud-based software company climbed about 18% after reporting fourth-quarter revenue of $205.2 million, above the $198.2 million estimated by analysts polled by FactSet. Braze also forecast current quarter revenue that exceeded the Street’s estimate. But fourth-quarter adjusted earnings of 10 cents per share missed the consensus expectation of 14 cents per share. Terns Pharmaceuticals — Shares gained 5% after Merck agreed to buy the biopharma company for $53 per share in cash, valuing Terns at $6.7 billion. The deal is expected to close in the second quarter and represents a 6% premium to Terns’ closing level on Tuesday. Merck shares advanced 2%. Robinhood Markets — The financial services platform jumped 5% after authorizing a $1.5 billion stock buyback plan . The repurchase plan will take place over the course of three years, starting in the current quarter. Newmont – The price of gold jumped on Wednesday after a decline in oil prices helped ease inflation fears. Shares of the precious metals miner followed suit, rallying nearly 3%. Freeport-McMoRan — The copper miner added more than 1% as metals rallied across the board on Wednesday. Copper increased more than 1.7% on easing growth concerns, which had hit the industrial metal last week. — CNBC’s Sarah Min, Michelle Fox, Fred Imbert, Nick Wells and Darla Mercado contributed reporting. Markets shift and headlines fade, but the core principles of building long-term wealth remain constant. Join us for our third CNBC Pro LIVE, where investors of all backgrounds - from financial professionals to everyday individuals - come together to cut through the noise and gain actionable strategies for smarter, more disciplined investing. No matter where you’re starting from, you’ll leave with clearer thinking, stronger strategies. Enter your email here to get a discount code.