Guess and Lennar are big market movers

NEW YORK (AP) -- Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Lennar Corp., down $1.02 to $40.32

The stock stumbled despite the homebuilder's first-quarter results that showed profits up 36 percent and a rise in new home orders.

Under Armour Inc., down 16 cents to $121.85

Analysts with Sterne Agee removed a "buy" rating from the apparel maker's stock after a price surge of 40 percent this year.

ConAgra Foods Inc., up 40 cents to $29.99

Quarterly profits nearly doubled during the most recent quarter after the food company acquired private-label food maker Ralcorp.

Guess Inc., down 98 cents to $27.78

The clothing maker's financial guidance fell well below projections from Wall Street, though most analysts remain bullish on its prospects.

Nasdaq

Synta Pharmaceuticals Corp., up 45 cents to $5.20

At a European conference, the pharmaceutical company announced positive interim results from a study of its breast cancer treatment.

The ExOne Co., down $4.35 to $39.40

The 3D printer company surprised Wall Street with a loss for the quarter and its outlook for the year was also disappointing.

Agenus Inc., down 50 cents to $3.80

The biopharmaceutical company released ineffective study results from its collaboration with GlaxoSmithKline on a lung cancer treatment.

The Madison Square Garden Co., down 33 cents to $58.75

Maxim analysts tempered excitement about arrival of Phil Jackson in the Knicks' front office, saying a turnaround will take time.