NEW YORK — Stocks that moved substantially or traded heavily on Monday:
Orbital ATK Inc., up $22.21 to $132.25
Northrop Grumman agreed to buy the military aircraft technology company for $7.8 billion.
Silver Spring Networks Inc., up $3.10 to $16.10
The energy networking platform provider will be bought by Itron for $830 million.
Rite Aid Inc., up 10 cents to $2.73
Bloomberg News reported that Walgreens is tweaking its plans to buy half of Rite Aid’s stores to gain regulatory approval.
CF Industries Holdings Inc., up $2.21 to $35.10
Fertilizer makers did better than the rest of the market on Monday.
Hasbro Inc., down $1.60 to $93.24
Toymakers fell after the Wall Street Journal reported that Toys R Us could file for bankruptcy protection soon.
Teva Pharmaceuticals Industries Ltd., down $1.11 to $16.99
The Israeli drugmaker said it agreed to sell the rest of its women’s health business in two separate deals.
SunTrust Banks Inc., up 73 cents to $55.56
Banks and other financial companies climbed in tandem with bond yields Monday.
Southwest Airlines Co., down 63 cents to $54.09
Airlines continued their recent struggles Monday and missed out on the market’s gains.