Aerospace and defense companies finished mixed Monday as August oil prices decreased.
The price of a barrel of light, sweet crude was down $3.92, or 2.7 percent, to $141.37 on the New York Mercantile Exchange.
Here are results for a few key stocks in the sector:
L-3 Communications Holdings Inc. rose $1.22 to $90.54.
Boeing Co. edged down 18 cents to $64.29.
Precision Castparts Corp. added 92 cents to $95.22.
General Dynamics Corp. dipped $1.43 to $81.79.