Here are the companies making headlines in midday trading. Meta Platforms — Shares of the social media giant jumped more than 9% after Meta unveiled its new artificial intelligence model , dubbed Muse Spark. This new model will power Meta’s digital assistant in the Meta AI app and desktop website, and in the approaching weeks it will roll out within Facebook, Instagram, WhatsApp and Messenger. Kimberly-Clark — The maker of Huggies diapers and Kleenex tissues rebounded 3%. A day earlier Kimberly-Clark shares tumbled more than 4%, declining amid a massive fire at an Ontario, Calif. warehouse that reportedly stored the company’s tissue and toilet paper products. Kimberly-Clark confirmed that there were no reported injuries at the site. Housing plays — Stocks linked to the housing market rose as Treasury yields retreated. The 10-year yield , which is linked to mortgage rates, pulled back about 7 basis points to 4.273%. Shares of home listing site Zillow Group advanced more than 2%, while lender Rocket Companies gained 4%. The State Street SPDR S & P Homebuilders ETF (XHB) and Home Depot advanced more than 5%. Chemical stocks — Shares of companies tied to the agriculture market tumbled on news of the two-week ceasefire between the United States and Iran, as well as the temporary reopening of the Hormuz Strait. LyondellBasell Industries dropped more than 10%, while Dow lost 8%. Fertilizer companies CF Industries tumbled 9%, while Intrepid Potash slid more than 5%. Delta Air Lines — Shares traded 6% higher, boosted by the steep declines in oil prices after the U.S. agreed to a ceasefire. The airline also posted better-than-expected results for the first quarter, though it issued second-quarter guidance that was below analyst estimates. Levi Strauss — The apparel company surged 13% after it reported a revenue and earnings beat for the first quarter . Direct-to-consumer sales for the first time made up half of revenue at Levi, the company said. It also raised its full-year earnings guidance. Energy stocks — A slew of companies traded lower as oil prices sunk below $100 per barrel after the United States and Iran agreed to a two-week ceasefire. APA shed more than 11%. Occidental Petroleum and Diamondback Energy fell about 6%. Exxon Mobil declined more than 6%, while Chevron was off 5.8%. Travel stocks — Shares surged as fears of demand destruction due to lower consumer spending and higher input costs eased as oil prices tumbled. United Airlines and cruise operator Carnival jumped more than 10%, while Southwest Airlines rose 7%. Norwegian Cruise Line added 9%, and Royal Caribbean gained 6%. The online travel planning site Expedia was up 7%. RPM International — The building materials company jumped more than 13% after its fiscal third quarter report showed an earnings and revenue beat. RPM also reaffirmed its guidance for the current quarter of mid-single-digit sales growth. Newmont — The gold miner climbed 3% following the jump in gold prices. The precious metal popped more than 1% to trade at around $4,757, as oil prices and the dollar fell on the U.S.-Iran ceasefire. Memory stocks — Shares jumped as the stock market’s favorite group for 2026 again joined the broader equity rally on Wednesday. Micron was up more than 8%, while Sandisk surged 11%. Seagate Technology added more than 6%. Western Digital jumped more than 9%. Freeport-McMoRan — The mining company was up more than 7% as metals broadly jumped. Copper, of which Freeport is one of the world’s largest producers, popped more than 3% on easing worries that demand for the industrial metal would weaken if the U.S.-Iran war slowed global economic growth. Super Micro Computer — Shares rose 4% after the company revealed on Tuesday that two independent members of the company’s board are conducting an investigation regarding the indictment of employees accused of smuggling Nvidia chips to China. There is no set timeline for the investigation, Super Micro said, and the company won’t comment further until it is complete. — CNBC’s Michelle Fox 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.