Stocks that moved substantially or traded heavily Wednesday:
Domino's Pizza Inc., down $6.62 to $200.09
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The pizza delivery company said CEO Patrick Doyle will leave at the end of June.
United Continental Holdings Inc., up $4.60 to $73.08
The airline raised an important sales forecast after it reported solid December results.
Signet Jewelers Ltd., down $3.90 to $52.69
The company said holiday season sales fell, partly because of problems related to the sale of its credit portfolio.
Supervalu Inc., down $2.69 to $16.94
Investors were disappointed with the grocery store company's third-quarter results, including its profit and sales.
Bank of New York Mellon Corp., up $1.74 to $57.30
Banks and financial companies continued to surge along with interest rates.
Intuitive Surgical Inc., up $26.16 to $423.76
The robotic surgery device maker said its fourth-quarter revenue will be greater than Wall Street had expected.
AmTrust Financial Services Inc., up $2.54 to $12.69
Investors including Chairman and CEO Barry Zyskind offered to take the company private for $12.25 a share.
Campbell Soup Co., down $1.48 to $45.82
Big dividend payers like food and household goods companies fell as higher interest rates made their stocks less attractive.