Pfizer, ImmunoGen, Vertex, Cliffs and Kansas City Southern are big market movers

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Pfizer Inc., up 80 cents to $35.05

The drug developer will resume a study of a potential pain treatment with partner Eli Lilly and receive a $200 million payment.

Cliffs Natural Resources Inc., up 51 cents to $4.81

The mining and natural resources company is selling its chromite assets in northern Ontario, Canada for about $20 million.

Kansas City Southern, down $9.21 to $106.48

The railroad cut its full-year revenue outlook citing slow growth from energy customers.

Tenet Healthcare Corp., up $2.45 to $52.07

The hospital chain said it will spend more than $600 million on separate deals to expand its presence in short-stay surgery and grow in the United Kingdom.

Nasdaq

ImmunoGen Inc., up $1.25 to $8.69

The biotechnology company will provide its cancer treatment technology to Takeda Pharmaceutical as part of a licensing deal.

Vertex Pharmaceuticals Inc., down $5.21 to $125.79

The biotechnology company reported positive results from a cystic fibrosis drug study, but the details disappointed Wall Street.

MEI Pharma Inc., down $4.37 to $1.93

The drug developer said its lead drug candidate failed to meet its goal of treating a type of blood cancer in a midstage study.

RADA Electronic Industries Ltd., up $1.21 to $2.90

The defense electronics contractor said Lockheed Martin will use the company's radar for its laser weapon research projects.