Try the businesses making headlines in noon buying and selling. Boeing — Shares of the aerospace and protection big misplaced greater than 6% after a door panel on a Boeing 737 Max 9 blew out midair throughout an Alaska Airways flight , main the Federal Aviation Administration to floor dozens of the planes . Shares of Spirit AeroSystems , which made and put in the door, fell greater than 6%. Alaska Air Group — The airline slid almost 6% following the Boeing incident and bulletins that it had canceled dozens of flights after grounding its 737 Max 9 fleet. Axonics — Shares soared 20% after Boston Scientific agreed to accumulate the biotechnology agency for $71 per share , or an fairness worth of round $3.7 billion. American Airways — The airline jumped almost 6% after Morgan Stanley upgraded the shares to chubby from equal weight. The Wall Road agency mentioned it is excited concerning the upcoming investor day, which may very well be a catalyst for upside within the inventory. Enphase Vitality , First Photo voltaic — Enphase Vitality gained 1.2% after getting an improve from Wells Fargo to chubby from equal weight. The financial institution mentioned it anticipated a rebound in residential photo voltaic as rates of interest fall. Wells Fargo, nonetheless, downgraded First Photo voltaic as a result of its robust 2023 efficiency and the comparatively defensive nature of its money flows. First Photo voltaic dipped slightly below 1%. Shell — Shares of the oil and gasoline big slipped 2% after the corporate’s mentioned it expects a non-cash post-tax writedown of between $2.5 billion to $4.5 billion within the fourth quarter of 2023. Dell — The private laptop maker added 4.2% on the heels of two bullish Wall Road calls. UBS named Dell a prime choose amongst expertise {hardware} names in 2024 on Sunday, noting its restoration and buybacks. JPMorgan upgraded Dell to chubby from impartial on Monday, citing leverage from an funding cycle pushed by synthetic intelligence. Equifax — The credit score reporting company gained almost 3% after Financial institution of America double-upgraded it to a purchase score from underperform. The financial institution cited a bullish mortgage outlook on the again of anticipated price cuts as a purpose for the change. Toll Brothers — Shares of the homebuilder rose greater than 2% on Monday after Wolfe Analysis upgraded Toll Brothers to outperform from peer carry out. The funding agency mentioned that luxurious properties might rebound now that mortgage charges have declined from their 2023 peak. Host Accommodations & Resorts — The resort REIT gained 2.5% following a double improve from Financial institution of America to purchase from underperform. Analyst Shaun Kelly raised the financial institution’s worth goal to $23 from $18, highlighting the inventory’s compelling valuation and steadily enhancing capital allocation. Chevron — Shares of the second-largest vitality inventory within the U.S. dropped 1.5% on Monday, regardless of an improve to purchase from maintain at Jefferies. “CVX lagged nearly all of its friends in ’23 as a result of elevated uncertainty round manufacturing visibility (Permian, Tengiz), depth of stock, and capital overruns,” wrote analyst Lloyd Byrne, who believes Chevron may flip round in 2024. Nvidia — The chipmaker popped 4% to an all-time excessive as Nvidia introduced three new graphics chips that may on PCs or laptops and are in a position to energy AI at house . Twilio — The enterprise communication software program inventory jumped 6% after Jeff Lawson mentioned he would step down as CEO . Twilio’s confronted strain from two activist buyers pushing for modifications on the firm in latest weeks. — CNBC’s Michelle Fox, Alexander Harring, Yun Li, Jesse Pound and Samantha Subin contributed reporting.