Stocks that traded greatly or had considerable cost modifications Monday: PerkinElmer, Boeing increase; Royal Caribbean, Aerojet fall
NEW YORK — Stocks that traded greatly or had considerable cost modifications Monday:
PerkinElmer Inc., up $7.70 to $160.87.
The maker of clinical instruments raised its earnings projection for the year.
Boeing Co., up $9.76 to $169.07.
The plane maker cleared a secret difficulty with federal regulators and might quickly resume shipment of its big 787 airliner.
Valvoline Inc., down 87 cents to $31.35