NEW YORK -- Stocks that traded heavily or had substantial price changes on Monday:

       TriNet Group Inc. (TNET), down $3.50 to $103.35.

       The human resources company is reportedly considering a sale.

       Chinook Therapeutics Inc. (KDNY), up $13.99 to $37.98.

       Novartis is buying the biopharmaceutical company.

       Chase Corp. (CCF), up $1.99 to $125.07.

       The chemicals company is reportedly considering a sale and has received offers.

       Nasdaq Inc. (NDAQ), down $6.83 to $51.

       The stock exchange operator is buying financial software firm Adenza from Thoma Bravo for about $10.5 billion.

       Biogen Inc. (BIIB), up $4.53 to $313.41.

       The biotechnology company gave investors an encouraging regulatory update on a potential Alzheimer’s treatment.

       Illumina Inc. (ILMN), up $7.61 to $208.14.

       CEO Francis deSouza has resigned from the gene-sequencing test maker.

       Ballard Power Systems Inc. (BLDP), up 63 cents to $4.94.

       The fuel cell technology company announced cost cuts and production changes.

       Freeport-McMoRan Inc. (FCX), down 7 cents to $37.82.

       The copper mining company slipped along with prices for the base metal.