Check out the companies making headlines before the bell. Paramount Global — Shares of Paramount Global surged more than 12% on news that Skydance Media has reached a preliminary deal to buy National Amusements, the company’s controlling shareholder. The New York Times and Wall Street Journal first reported news of the agreement. Tesla — The electric vehicle maker rose nearly 3% , a day after posting stronger-than-expected delivery numbers for the second quarter. Shares popped 10% during Tuesday’s session. Constellation Brands — The beer and wine stock rose more than 2% after a better-than-expected earnings report. Constellation reported $3.57 in adjusted earnings per share for its fiscal first quarter, while analysts surveyed by LSEG were expecting $3.46 per share. Sales of $2.66 billion were up 6% year over year, though just below expectations of $2.67 billion. Southwest Airlines — Shares were fractionally lower after the airline carrier announced it had adopted a shareholder rights plan. Southwest did so in response to activist investor Elliott Investment Management accumulating an 11% stake in the company. The new plan, which will be valid for a year, will be triggered if any entity holds at least 12.5% of the airlines’ shares. Eli Lilly — Eli Lilly shares moved slightly higher after the Food and Drug Administration approved the drug maker’s Alzheimer’s treatment know as donanemab. The drug will be sold under the brand name Kisunla and used for adults with early symptoms. Shares dipped about 1% during Tuesday’s session. MGM Resorts International — Shares ticked higher by 0.9% after BTIG initiated coverage of MGM Resorts International with a buy rating, citing an “attractive fundamental story.” The $52 price target implies more than 20% upside from Tuesday’s close. — CNBC’s Lisa Han, Jesse Pound and Sarah Min contributed reporting