Check out the companies making headlines in midday trading. Carnival — Cruise line stocks rose as a group during midday trading. Sunnova Energy , Sunrun — Sunnova Energy added 2.2%, while Sunrun declined 1.1% after Truist downgraded the solar stocks to hold from buy ratings, citing near-term concerns from elevated interest rates. Cal-Maine Foods — Shares slipped 7.3% after the egg producer provided a weak earnings report, citing a dynamic market environment. Energy stocks — Energy stocks fell as a group during midday trading Wednesday as oil prices slid more than $3 a barrel.

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Persons: Truist, Insulet, Wayde McMillan, Phillips, —, Alex Harring, Samantha Subin Organizations: Fluor Corporation, UBS, Cruise, Royal Caribbean, Sunnova Energy, Energy, Cal, Maine, FactSet, Intel, — Energy, Marathon Petroleum Locations: Fluor, Insulet