NEW YORK -- Stocks that traded heavily or had substantial price changes on Thursday:

       Lennar Corp., up $5.06 to $119.81.

       The homebuilder reported strong second-quarter financial results.

       Kroger Co., down $1.27 to $45.94.

       The grocery chain reported weak fiscal first-quarter revenue.

       NexTier Oilfield Solutions Inc., up 60 cents to $9.52.

       Patterson-UTI is buying the oilfield services company.

       Jabil Inc., up $4.95 to $104.64.

       The electronics manufacturer beat analysts' fiscal third-quarter earnings and revenue forecasts.

       MicroVision Inc., up 45 cents to $5.05.

       The maker of drivers for miniature video displays withdrew a public stock offering, citing market volatility.

       AutoZone Inc., up $97.95 to $2,497.37.

       The auto parts retailer increased its stock buyback program by $2 billion.

       Mersana Therapeutics Inc., down $5.66 to $3.89.

       The biopharmaceutical company gave investors a discouraging update on a potential ovarian cancer treatment.

       John Wiley & Sons Inc., down $4.17 to $32.45.

       The publisher's fiscal fourth-quarter financial results fell short of analysts' forecasts.