Stocks that moved substantially or traded heavily on Monday:
General Cable Corp., up $7.65 to $29.45
The wiring maker agreed to be bought by Prysmian Group for $30 a share, or $1.5 billion.
Comerica Inc., up $1.33 to $85.11
Banks surged Monday after Senate Republicans passed a bill that would cut corporate tax rates.
Twenty-First Century Fox Inc., up 90 cents to $33.09
The Wall Street Journal said Disney restarted talks to buy some of Fox's assets.
CVS Health Corp., down $3.43 to $71.69
The drugstore chain and pharmacy benefits manager agreed to buy health insurer Aetna for $69 billion.
GNC Holdings Inc., down 13 cents to $5.26
The nutrition supplement company canceled a sale of senior notes and its plans to borrow more as it considers other options to raise funds.
Signet Jewelers Ltd., down $1.86 to $50.13
The jewelry retailer said regulators are investigating its credit practices, promotions and payment-protection products.
Applied Materials Inc., down $2.14 to $49.77
Technology companies continued to struggle Monday and some of the largest losses went to chipmakers.
Qualcomm Inc., down 93 cents to $64.56
Rival chipmaker Broadcom, which has offered to buy Broadcom, nominated a group of directors to replace Qualcomm's board.