NEW YORK — Stocks that moved substantially or traded heavily on Monday:

International Flavours and Fragrances Inc., down $13.98 to $120

The company is merging with a unit of DuPont in a deal valued at $26.2 billion.

Boeing Co., down $14.67 to $327

The airplane maker fell following a report that it may reduce or suspend production of its troubled 737 Max jet.

PG&E Corp., down $1.57 to $9.67

California rejected the company's restructuring plan, forcing the nation's largest utility back to the negotiating table.

U.S. Steel Corp., down 53 cents to $13.18

The Wall Street Journal published a story describing a “pattern of failures” at the once-mighty industrial giant.

WPX Energy Inc., up 99 cents to $11.90

The company is buying Felix Energy in a deal the companies valued at $2.5 billion in cash and stock.

Wave Life Sciences Ltd., down $20.81 to $16.79

The company will discontinue development of suvordisen, a treatment for Duchenne muscular dystrophy.

Children's Place Inc., up $4.08 to $58.19

The company disclosed in a filing that CEO Jane Elfers bought 18,100 shares of the company's stock.

Prologis Inc., down 18 cents to $88.36

Real estate companies and other safe-play assets lagged the rest of the market as investors regained an appetite for risk.

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