NEW YORK (AP) — Stocks that are trading heavily or have substantial price changes on Monday:
AT&T Inc. (T), down 25 cents to $17.35.
The telecommunications giant said it discovered a data breach impacting millions of current and former customers.
Elanco Animal Health Inc. (ELAN), down 23 cents to $16.05.
The company reportedly reached a settlement with investment firm Ancora.
Appian Corp. (APPN), down $2.11 to $37.85.
The business process management software provider said its chief revenue officer resigned.
Ballard Power Systems Inc. (BLDP), up 43 cents to $3.21.
The fuel cell technology company announced a supply agreement with Solaris Bus & Coach.
Semtech Corp. (SMTC), up $1.55 to $29.04.
The chipmaker gave investors an encouraging revenue forecast.
Guess Inc. (GES), up $1.67 to $33.14.
The clothing company announced a $200 million stock buyback plan.
Baxter International Inc. (BAX), up 86 cents to $43.60.
The drug and medical device maker received regulatory clearance in the U.S. for an infusion pump.
FedEx Corp. (FDX), down $7.30 to $282.44.
The package delivery service said that its contract with the U.S. Postal Service expires in September.
