Signet Jewelers and Dollar Tree climb while Hormel tumbles

Stocks that moved substantially or traded heavily Thursday:

Hormel Foods Corp., down $1.83 to $32.09

The Spam maker's third-quarter profit and sales fell short of Wall Street forecasts as its turkey business continues to struggle.

J.M. Smucker Co., down $11.34 to $107.51

The food company cut its profit forecast after a weak first quarter that included disappointing sales of Folgers coffee.

Guess Inc., up $2.38 to $14.86

The clothing company raised its forecasts for the year after a strong second-quarter report.

G-III Apparel Group Inc., up $1.88 to $26.98

The clothing and accessories maker announced a joint venture for its DKNY and Donna Karan brands in China.

Dollar Tree Inc., up $4.18 to $78.50

The discount retailer raised its annual forecasts after a key sales measurement improved in the second quarter.

Signet Jewelers Ltd., up $8.65 to $60.54

The jewelry company beat Wall Street expectations in the second quarter and will buy online jewelry retailer R2Net for $328 million.

Beacon Roofing Supply Inc., up $3.90 to $43.54

The company said it will buy Allied Building Products, a unit of CRH plc, for $2.63 billion.

Michaels Cos., up $1.66 to $21.27

The arts and crafts store posted a larger profit than analysts expected and raised the low end of its profit forecast.