Stocks that moved substantially or traded heavily Thursday:
Cisco Systems Inc., up $1.99 to $44.08
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The technology company had a solid second quarter and said it will buy back $25 billion in stock.
Teva Pharmaceutical Industries Ltd., up $1.48 to $20.81
Warren Buffett's Berkshire Hathaway disclosed an investment in the struggling Israeli drugmaker.
TripAdvisor Inc., up $1.68 to $42.40
The travel website continued its strong run in 2018 after it made its fourth-quarter report.
Zoetis Inc., up $4.04 to $78.50
The animal health company reported a larger profit and greater sales than analysts expected.
NetApp Inc., down $2.97 to $57.67
The data storage company beat expectations in the third quarter, but its guidance concerned investors.
TreeHouse Foods Inc., down $5.43 to $37.48
The food company said its snacks business struggled and forecast a smaller-than-expected profit.
AMAG Pharmaceuticals Inc., up $4.05 to $17.95
The drugmaker said regulators approved Makena, a shot intended to reduce the risk of preterm birth in certain at-risk women.
A. Schulman Inc., up $4.10 to $42.75
The supplier of plastic compounds and resins agreed to be bought by LyondellBassell in a deal they valued at $2.25 billion.