Stocks that moved substantially or traded heavily Wednesday on the New York Stock Exchange and the Nasdaq Stock Market:
General Motors Co., up $1.85 to $35.83
The automaker reported better-than-expected fourth-quarter profit despite the high cost of recalled vehicles and claims.
The Walt Disney Co., up $7.18 to $101.28
The entertainment company reported better-than-expected fourth-quarter profit on a mix of revenue from films, parks and products.
Sony Corp., up $2.55 to $25.94
The entertainment and electronics company trimmed its forecast of losses and sees no significant harm from recent cyberattacks.
AbbVie Inc., down $4.74 to $56.91
The drug developer's arthritis treatment Humira could face competition from a biosimilar version being made by Amgen Inc.
Gilead Sciences Inc., down $8.75 to $98.43
The biotechnology company reported better-than-expected profit but will offer discounts on its revenue-driving hepatitis C drugs.
Staples Inc., down $2.28 to $16.73
The office supplies company said it plans to buy rival Office Depot Inc. for $6.3 billion in a cash-and-stock deal.
Myriad Genetics Inc., down $3.50 to $34.62
The diagnostics company cut its fiscal year forecast because of reimbursement delays and said CEO Peter Meldrum is retiring.
Cognizant Technology Solutions Corp., up $2.78 to $57.88
The information technology and consulting company reported better-than-expected fourth-quarter profit and revenue.