NEW YORK (AP) — Stocks that moved substantially or traded heavily Wednesday on the New York Stock Exchange and the Nasdaq Stock Market: NYSE MGM Resorts International, down 84 cents to $18.01 The casino operator and six contractors avoided a trial after reaching a settlement deal in a breach-of-contract lawsuit. FedEx Corp., down $6.48 to $167.78 The shipping services company reported worse-than-expected second-quarter results due partially to a lower-than-expected benefit from falling fuel prices. XL Group PLC, down $1.35 to $33.66 The insurance and reinsurance company confirmed that it is in preliminary discussions for a potential buyout of Catlin Group Ltd. Ruby Tuesday Inc., down $1.33 to $6.79 The chain restaurant operator reported fiscal second-quarter sales at restuarants open at least a year and guest counts below its prior guidance. Nasdaq Volcano Corp., up $6.35 to $17.84 The medical device maker is being bought by Royal Philips for $1.2 billion, with the deal expected to close in the first quarter. Auspex Pharmaceuticals Inc., up $25.05 to $50.14 The biotechnology company reported positive results from a late-stage study of its potential Huntington's disease treatment. Digital River Inc., up $7.22 to $24.08 The online commerce technology company reported that it has extended a digital distribution agreement with Microsoft Corp. Cerus Corp., up $1.08 to $5.86 The biomedical products company said the Food and Drug Administration approved its Intercept system for plasma screening.Read more on NewsOK.com