Allergan and Tyco International fall and Marvell Tech jumps

NEW YORK (AP) — Stocks that moved substantially or traded heavily Tuesday on the New York Stock Exchange and the Nasdaq stock market:

NYSE

Walt Disney Co., down $1.68 to $97

Tom Staggs, who was seen as the eventual successor to CEO Robert Iger, is leaving the company in a surprise move.

Allergan PLC, down $41 to $236.55

Investors worried that new U.S. Treasury Department rules will stop the drugmaker's planned sale to Pfizer Inc.

Tyco International PLC, down $1.09 to $35.42

The Treasury Department rules could also affect this Irish company's combination with U.S.-based Johnson Controls.

Hormel Foods Corp., down $1.31 to $42.24

A BB&T Capital analyst downgraded the shares of the maker of Spam and other products.

Darden Restaurants Inc., down $2.54 to $64.80

Jeffrey Smith, who led an ouster of the restaurant operator's board in 2014, stepped down as chairman.

Nasdaq

Marvell Technology Group Ltd., up $1.26 to $10.88

The chipmaker's president and its CEO both stepped down.

Walgreens Boots Alliance Inc., $2.95 to $83.36

The largest U.S. drugstore chain posted mixed quarterly results and its outlook for the year remains cautious.

National Instruments Corp., down $1.84 to $28.18

The scientific measuring equipment and software company said sales in the first quarter will come up short of expectations.

Gilead Sciences Inc., up $1.33 to $95.57

The Food and Drug Administration approved the sale of the company's new HIV pill.