Stocks making the biggest moves premarket: Meta Platforms, Honeywell, Merck, Southwest Airlines and more

Check out the companies making headlines before the bell: Meta Platforms — The Facebook parent company plunged more than 14% after issuing lighter-than-expected second-quarter revenue guidance . However, first-quarter earnings and revenue both came above analysts' estimates. Honeywell — The industrial stock rose 2.2% in premarket trading after the company posted earnings per share of $2.25, beating LSEG analysts' estimates of $2.17. Revenue for the quarter came in at $9.11 billion, compared to the $9.03 billion analysts were expecting. Merck — The pharmaceutical giant added 2.1% on stronger-than-expected earnings for the first quarter. Merck earned an adjusted $2.07 per share on $15.78 billion in revenue. Analysts surveyed by LSEG forecast $1.88 in earnings per share and $15.20 billion in revenue. Southwest Airlines — Shares tumbled nearly 9% after the airline missed on both top and bottom lines. The company reported adjusted losses of 36 cents per share, wider than the expected loss of 34 cents, per LSEG. Revenue of $6.33 billion also missed estimates of $6.42 billion. Southwest, which is one of Boeing's biggest customers, warned that Boeing's airplane delays would pressure its growth into 2025. American Airlines — Shares rose about 6% despite a wider-than-expected loss for the first quarter. American lost an adjusted 34 cents per share versus 29 cents projected by analysts surveyed by LSEG. However, American said it expects to earn $1.15 to $1.45 per share in the second quarter, largely above the average consensus estimate of $1.18. Chipotle Mexican Grill — Shares of Chipotle Mexican Grill rose 3% after the fast-casual chain topped Wall Street's first-quarter estimates. Same-store sales rose 7%, beating the 5.2% expected by StreetAccount. International Business Machines — Shares of the software, hardware and consulting company slid 8.5% on the back of a disappointing first-quarter revenue report. IBM's revenue of $14.46 billion missed consensus estimates of $14.55 billion, but beat on the bottom line from analysts polled by LSEG. The company said foreign exchange would create a two-percentage-point headwind to 2024 revenue growth. IBM also agreed to buy HashiCorp for $6.4 billion in enterprise value. HashiCorp shares jumped about 4.4%. Caterpillar — The construction equipment maker fell 4% after its revenue of $15.8 billion for the most-recent quarter missed analysts' estimates of $16.04 billion, according to LSEG. The company's earnings per share of $5.60 beat estimates by 46 cents. Deutsche Bank — U.S.-traded shares of Deutsche Bank jumped 6% after revenue and profit came above expectations amid a recovery in its investment banking segment. Comcast — Shares slipped 0.5% after t he cable giant reported better-than-expected first-quarter results but reported a drop in broadband subscribers. Comcast reported adjusted earnings of $1.04 per share on $30.06 billion in revenue. Analysts surveyed by LSEG had estimated 99 cents in earnings per share on $29.81 billion in revenue. While the number of subscribers fell, rate increases helped grow revenue. Align Technology — The orthodontics company gained 5.1% after topping analysts' expectations for its first-quarter results. Align posted adjusted earnings of $2.14 per share on revenue of $997.4 million, higher than the $1.97 in earnings per share on revenue of $974 million that analysts polled by LSEG had expected. ServiceNow — The workflow management company shed 4% after narrowly beating analysts' revenue expectations in the first quarter. Revenue came in slightly higher than the Street's forecast at $2.6 billion, versus the $2.59 billion anticipated, per LSEG. Adjusted earnings also surpassed estimates. Disclosure: Comcast is the parent company of NBCUniversal and CNBC. — CNBC's Tanaya Macheel, Samantha Subin, Jesse Pound, Pia Singh and Alex Harring contributed reporting.