NEW YORK (AP) — Stocks that moved substantially or traded heavily on Wednesday:

Anadarko Petroleum Corp., up $7.41 to $71.40

The oil company is being offered $57 billion by Occidental Petroleum in a bidding war against Chevron.

eBay Inc., up $1.85 to $38.52

The e-commerce company surprised investors with solid profit and revenue during the first quarter and raised its forecast for the year.

AT&T Inc., down $1.31 to $30.79

The telecommunications company’s revenue fell short of forecasts as it deals with some subscriber losses.

Flir Systems Inc., up $2.77 to $53.42

The imaging and surveillance systems company reported better-than-anticipated first-quarter results and a solid forecast.

Teradyne Inc., up $3.40 to $47.99

The wireless product and data storage company beat first quarter profit and revenue forecasts and gave investors a solid outlook.

iRobot Corp., down $30.15 to $100.42

The robotics technology company’s revenue fell short of Wall Street forecasts.

RPC Inc., down $2.29 to $10.60

The oil and gas services company reported weak first quarter results and slashed its dividend.

SAP SE, up $14.28 to $129.08

Activist investors at Elliott Management disclosed a $1.3 billion stake in the business software company.