Stocks that moved substantially or traded heavily Monday:
AK Steel Holding Corp., up 15 cents to $5.65
Steelmakers rose following reports the Trump administration is preparing to place steep tariffs on imported steel.
General Electric Co., up 16 cents to $14.65
The industrial company said it will cut its reported profits from the last two years and named three new board members.
Dean Foods Inc., down $1.32 to $8.81
The milk producer had a weak fourth quarter and its estimates for 2018 fell short of analyst expectations.
Spectrum Brands Inc., up 42 cents to $104.03
The maker of consumer products including Farberware and Kwikset agreed to be bought by HRG Group, its biggest shareholder.
Armstrong World Industries Inc., down $2.35 to $59.10
The ceiling and wall systems manufacturer reported weaker-than-expected sales and said costs increased.
Qualcomm Inc., up $3.66 to $66.98
The chipmaker said it made progress in recent talks with Broadcom about a possible deal.
D.R. Horton Inc., down 17 cents to $44.30
Homebuilders traded lower after the Commerce Department said sales of new homes dropped 7.8 per cent in January.
MiMedx Group Inc., down 48 cents to $7.35
Bloomberg News reported that the Justice Department is investigating the possibility the biomaterials company overcharged the government.
This content appears as provided to The Globe by the originating wire service. It has not been edited by Globe staff.