NEW YORK (AP) -- Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:
MDC Holdings Inc., up $1.72 to $29.37
Citigroup upgrades the homebuilder after a 30 percent pullback for housing shares since they hit multiyear highs in May.
The Mosaic Co., up $2.15 to $44.31
Shares of fertilizer companies rally after Russian President Vladimir Putin says a resolution must be found after the breakup of a potash cartel that had maintained higher prices.
Ford Motor Co., up 31 cents to $17.31
Jefferies & Co. says the carmaker is well positioned to meet strong demand and expects production to double in China by the middle of the decade.
Molex Inc., up $9.29 to $38.63
Koch Industries is buying the electronic components and cables maker for about $6.86 billion.
Apple Inc., up $7.95 to $506.17
On the eve of an event to introduce new products, shares in the technology giant jump above $500 once again.
Isis Pharmaceuticals Inc., up $3.89 to $31.81
The drug developer announced that it is collaborating with Biogen Idec Inc. to develop therapies to treat neurological disorders.
Expedia Inc., up 96 cents to $50.64
The stock is upgraded by Lazard Capital, which cited a marketing agreement between the online travel company and its peer, Travelocity.
Lululemon Athletica Inc., up $1.79 to $71.28
Citigroup initiated coverage with a "buy" rating, saying that the yoga gear retailer is delivering strong consumer value despite high prices for its clothing and accessories.