Ferrellgas Partners LP, down 26 cents to $26.45 Rising prices for propane and gas put the squeeze on third-quarter margins at one of the nation's biggest propane distributors. Office Depot Inc., up 19 cents to $5.39 After the approval of the battered office supply retailer's merger with OfficeMax, Barron's says it's time to take another look. Nasdaq Apple Inc., up $1.48 to $93.70 A 7-for-1 stock split means the buy-in price for the tech giant is now below $100 per share, compared with Friday's close at $645.57. Idenix Pharmaceuticals Inc., up $16.56 to $23.79 Merck will spend $4 billion, triple the last closing per-share price for the hepatitis C drug developer, as that market heats up. Wynn Resorts Ltd., down $5.93 to $199.05 Deutsche Bank downgraded the casino amid slowing traffic for gambling operations in Macau.