Check out the companies making headlines before the bell: United Parcel Service — Shares fell more than 14% in premarket trading after the delivery giant said it reached a deal with Amazon , its largest customer, “to lower its volume by more than 50% by the second half of 2026.” UPS also said it is launching a multiyear effort to cut $1 billion in costs. Microsoft — Shares of the software giant dropped around 4% a day after it issued lighter-than-expected revenue guidance for the current quarter. Microsoft called for revenue of $67.7 billion to $68.7 billion in the fiscal third quarter, while analysts estimated $69.78 billion, according to LSEG. Meanwhile, fiscal second-quarter results came above consensus expectations. Caterpillar — The equipment manufacturer shed 4% after posting fourth-quarter revenue of $16.22 billion, under the consensus estimate of $16.39 billion from analysts polled by LSEG. On the other hand, Caterpillar earned $5.14 per share, excluding items, which exceeded the Wall Street forecast of $5.02 per share. Comcast — Shares fell more than 6% after reporting a decline in broadband and cable TV customers. Domestic broadband customers fell by 139,000, while the number of cable users slipped by 311,000. Despite the decline in subscribers, the company reported a top- and bottom-line beat in the fourth quarter. Comcast earned 96 cents per share, excluding items, on $31.92 billion in revenue. Analysts polled by LSEG estimated earnings of 86 cents per share on revenue of $31.64 billion. Meta — Mark Zuckerberg’s tech giant’s stock rose 2% in premarket trading after the company reported fourth-quarter earnings that beat on the top and bottom lines. Sales in the quarter jumped 21% year over year while net income grew 49% to $20.8 billion from $14 billion a year earlier. Tesla — Shares of the electric vehicle maker gained 4% even after Tesla posted weaker-than-expected results for the fourth quarter. The company reported adjusted earnings of 73 cents per share on revenue of $25.71 billion. Analysts were looking for 76 cents in earnings per share and $27.27 billion in revenue, according to LSEG. Las Vegas Sands — The casino and resort stock popped more than 7% a day after it announced mixed quarterly results. The company earned 54 cents per share, excluding items, on revenue of $2.9 billion in the fourth quarter. Analysts surveyed by LSEG estimated Las Vegas Sands will earn 58 cents per share on $2.87 billion in revenue. ServiceNow — The software stock sank nearly 10% after its fourth-quarter results were in line with analysts’ expectations. ServiceNow earned $3.67 per share, excluding items, on revenue of $2.96 billion, which is what analysts surveyed by LSEG had estimated for the period. In addition, full-year subscription revenue is expected to be weaker than analysts had forecast. International Business Machines — Shares popped almost 10% in the premarket after the legacy tech company reported fourth-quarter earnings that beat analysts’ expectations. The company earned $3.92 per share, excluding items, while analysts polled by StreetAccount anticipated a profit of $3.78 per share. Revenue for IBM came in at $17.55 billion, about in line with expectations. Cigna — Shares of the health-care company sold off 11% after fourth-quarter earnings missed consensus estimates. Cigna reported adjusted earnings of $6.64 per share, while analysts surveyed by LSEG called for $7.82 per share. However, Cigna’s revenue of $65.65 billion topped forecasts of $63.36 billion. Dow — Shares dipped about 3% after Dow posted fourth-quarter operating earnings and revenue that fell short of expectations, and issued softer-than-expected first-quarter revenue guidance. For the fourth quarter, operating earnings came in flat with revenue of $10.41 billion. Analysts polled by FactSet estimated Dow would earn 24 cents per share on revenue of $10.51 billion. First-quarter revenue guidance of $10.3 billion fell short of the $10.9 billion FactSet consensus. American Airlines — Shares tumbled 4% the morning after a regional jet flying for the company collided with an Army helicopter, marking the first fatal commercial airline crash on U.S. soil since 2009. Southwest Airlines — Shares moved 2% lower. The airline reported fourth-quarter revenue of $6.93 billion, short of the $6.96 billion expected from analysts polled by FactSet. However, Southwest’s adjusted earnings were 56 cents per share, versus the consensus estimate of 46 cents. Levi Strauss — The apparel stock fell 7% after its 2025 forecast came in below expectations. Levi Strauss estimated that its adjusted earnings will be between $1.20 and $1.25 per share, including a hit of about 20 cents from foreign exchange and a higher tax rate. Wall Street analysts were estimating $1.37 per share, according to StreetAccount. Northrop Grumman — Shares of the defense company slipped 2% after Northrop missed sales expectations for its fourth quarter. The company posted revenue of $10.69 billion, while analysts polled by FactSet expected $10.97 billion. Earnings of $6.39 a share, excluding items, however, beat the consensus estimate of $6.35. Northrop’s CEO said the company expects to see continued top-line growth, margin expansion and double-digit cash flow growth. Disclosure: Comcast owns NBCUniversal, the parent company of CNBC. — CNBC’s Fred Imbert, Yun Li, Alex Harring, Jesse Pound, Sarah Min, Michelle Fox and Pia Singh contributed reporting.