Qualcomm and Tailored Brands rise; Kroger stumbles

Stocks that moved substantially or traded heavily Thursday:

Progenics Pharmaceuticals Inc., down $1.30 to $6

The company reported disappointing results from a study of an imaging compound used in prostate cancer treatment.

Qualcomm Inc., up $2.86 to $74.61

The chipmaker said it will buy back $16 billion in stock.

Acorda Therapeutics Inc., down 45 cents to $18.05

The company said regulators will take an additional three months to review an inhaled Parkinson's disease treatment.

Kroger Co., down $3.15 to $28.58

The grocery chain's sales fell short of analyst estimates.

Tailored Brands Inc., up $2.36 to $26.30

The apparel company said its sales improved in the second quarter.

WageWorks Inc., down $8.15 to $40.95

The provider of health, commuter and other employee benefits said Chairman Joseph Jackson resigned.

RenaissanceRe Holdings Ltd., up $3.41 to $130.95

Insurance companies rose as Hurricane Florence weakened before it came ashore.

EOG Resources Inc., down 32 cents to $116.62

Energy companies slipped as a two-day rally in oil and gas prices ended.