Check out the companies making headlines before the bell. Palantir Technologies – The defense technology stock fell more than 8% after it earned an adjusted 13 cents per share in the first quarter, matching analyst expectations, according to LSEG, while revenue of $884 million topped the $863 million that analysts were looking for. Palantir also boosted its full-year revenue guidance, but FactSet's StreetAccount cited a "lower magnitude of Q1 beat, weaker Europe, slowing customer growth rates, tariffs/trade tensions, and valuation" as causes of the decline. Ford Motor – The F-series pickup truck maker fell more than 2% after it suspended its 2025 guidance , citing "near-term risks, especially the potential for industrywide supply chain disruption impacting production." First-quarter earnings and auto revenue came in better than expected. Other automakers also fell premarket, with General Motors and Stellantis dropping 0.3% and almost 2%, respectively. Tesla moved down nearly 2%. Neurocrine Biosciences – Shares of the biopharmaceutical company jumped nearly 10% after its $572.6 million in revenue for the first quarter topped the $559.6 million that analysts polled by FactSet were expecting. Additionally, sales of Ingrezza, a medication used to treat movement disorders, gained 8% year over year to $545 million. Celsius Holdings – The energy drink maker's stock slid 5.6% on the back of weak first-quarter earnings. Celsius earned 15 cents per share on a GAAP basis, missing the consensus forecast of analysts polled by FactSet by 5 cents a share. Revenue came in at $329.3 million, while Wall Street had penciled in $344.2 million. Hims & Hers Health – Shares lost 6% after the company guided for lighter-than-expected revenue in its second quarter. The telehealth provider forecast revenue to come in between $530 million to $550 million, missing the $564.6 million that analysts polled by FactSet had penciled in. Hims & Hers first-quarter earnings and revenue both beat Street estimates. Vertex Pharmaceuticals – The biotech stock tumbled more than 5% on the heels of weaker-than-expected quarterly results, with adjusted earnings of $4.06 per share below the $4.25 consensus estimate, according to FactSet. Revenue came in at $2.77 billion, missing the consensus estimate of $2.86 billion. Upwork – The stock jumped 10% after the freelance marketplace platform posted first-quarter adjusted earnings of 34 cents per share on revenue of $192.7 million, beating the 27 cents a share on revenue of $188.5 million expected by analysts polled by FactSet. Upwork also raised its full-year adjusted earnings guidance to $1.14 to $1.18 per share from $1.05 to $1.10 a share, also topping analyst estimates. Clorox – The cleaning product maker slid almost 3% after posting disappointing results in its fiscal third quarter, when it earned an adjusted $1.45 per share on revenue of $1.67 billion, short of the $1.57 per share and $1.73 billion in revenue analysts were estimating, according to LSEG. Lattice Semiconductor – The chip stock slipped more than 2% after first-quarter results roughly matched expectations. Adjusted earnings per share of 22 cents were in-line with analyst estimates, according to FactSet, while revenue of $120.2 million compared to an estimate of $120.1 million. Lattice's revenue, net income and gross margin were all down year over year from the same period in 2024. DoorDash – Shares declined more than 3% after first-quarter revenue missed analyst estimates. Adjusted earnings, however, topped expectations. DoorDash also announced a $1.2 billion acquisition of restaurant booking platform SevenRooms, which comes on the heels of British food delivery service Deliveroo also agreeing to a takeover offer from DoorDash. — CNBC's Alex Harring, Jesse Pound, Lisa Kailai Han and Michelle Fox Theobald contributed reporting.