Boeing and Arconic climb while Halliburton declines

Stocks that moved substantially or traded heavily Monday:

Ford Motor Co., up 23 cents to $11.10

The automaker replaced CEO Mark Fields with Jim Hackett, the head of its mobility business.

Boeing Co., up $2.91 to $183.67

Defense and aerospace companies rose after President Donald Trump approved a large sale of military equipment to Saudi Arabia.

Huntsman Corp., down 56 cents to $26.15

The chemicals company agreed to combine with Clariant of Switzerland.

Arconic Inc., up 5 cents to $27.63

The aluminum products company resolved a proxy fight with investment firm Elliott Management.

Halliburton Co., down 66 cents to $47.12

The price of oil continued to rise, but energy companies traded lower.

Qualcomm Inc., up $1.61 to $59.28

The technology sector, a hot corner of the market this year, posted further gains.

Amgen Inc., down $3.49 to $153.02

Investors were concerned about side effects in a study of the company's osteoporosis drug Evenity.

Nutraceutical International Corp., up $14.15 to $42.15

The company agreed to be bought by private equity firm HGGC for $41.80 a share in cash.