LUV Southwest Airlines Co

Among the companies with shares expected to trade actively in Wednesday's session are Southwest Airlines Co. (LUV), Orbital ATK Inc. (OA) and Perrigo Co. (PRGO).

Southwest Airlines Co. on Wednesday lowered its forecast for unit revenue in the current quarter, as the company reported passenger traffic improved 1.4% in July from the same month a year earlier. Shares fell 1.23% to $37.00 in premarket trading.

Orbital ATK Inc. said Wednesday that it would miss its filing deadline for its most recent quarter and restate more than a year of results due to accounting issues. Shares fell 6.5% to $83.00 premarket.

Drugmaker Perrigo Co. on Wednesday said it missed earnings expectations for the latest quarter and cut its guidance for the current year as it continues to battle pricing pressure and competition in the market. Shares fell 11.66% $84.00 premarket.

Michael Kors Holdings Ltd. (KORS) said results in its latest quarter weren't as bad as it had predicted, though the handbag retailer warned that dwindling mall traffic and lower tourism in some cities would continue to hurt sales. Shares fell 3.85% to $48.18 premarket.

Wendy's Co. (WEN) on Wednesday reported revenue and profit topped expectations in the most recent quarter and lifted the low end of its earnings guidance for the year as it continues to transition to a franchised model. Still, the top and bottom declined and Wendy's warned of weakness in same-store sales growth. Shares fell 4.32% to $9.75 premarket.

Ralph Lauren Corp. (RL) swung to a loss in the latest quarter on weaker sales and expenses related to the apparel company's turnaround plan.

ComScore (SCOR) on Wednesday said it needs additional time to file its June quarterly report as the media measurement and analytics company completes an internal investigation into its accounting.

Fossil Group Inc.'s (FOSL) profit tumbled in the second quarter as the watchmaker's global sales dropped, paced by declines in the traditional watches it makes for brands including Emporio Armani, Michael Kors and Skagen.

Myriad Genetics Inc. (MYGN) on Tuesday released dour guidance for its current quarter and fiscal year as the diagnostic-testing company posted lackluster results for its fourth quarter.

SolarCity Corp.(SCTY), in the process of being acquired by fellow Elon Musk company Tesla Motors Inc., reported a wider quarterly loss Tuesday as operating expenses rose sharply.

SunPower Corp. (SPWR) plans to close a plant in the Philippines, transferring operations to lower-cost facilities in Mexico, and cut about 1,200 jobs, or 15% of its workforce, as part of a production realignment. The maker of solar panels and systems said aggressive pricing by new market entrants has hurt near-term economic returns.

Container Store Group Inc. (TCS), in the midst of a turnaround effort, on Tuesday reported a narrower quarterly loss, helped by cost-cutting efforts.

Online review site Yelp Inc. (YELP) on Tuesday raised its revenue projection for the year again as it swung to a quarterly profit, though the San Francisco company struggled to attract users in the second quarter.

Mylan NV on Tuesday reported an 8% sales increase in the second quarter, driven by specialty drug sales and generic treatments.

Walt Disney Co.'s quarterly profit rose 4.6%, helped by recent box-office hits and the opening of Shanghai Disney in mid-June.

Write to Chris Wack at chris.wack@wsj.com or Maria Armental at maria.armental@wsj.com

(END) Dow Jones Newswires

August 10, 2016 09:24 ET (13:24 GMT)

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