NEW YORK (AP) -- Stocks that moved substantially or traded heavily on Friday:
IBM Corp., down $4 to $155.05
Investor Warren Buffett said he's sold a large portion of his investment in IBM.
Revlon Inc., down $5.95 to $19.30
The cosmetics maker said its sales in North America dropped during the first quarter.
Incyte Corp., down $2.59 to $122.41
The inflammation and cancer drug maker was one of several biotech drug companies that skidded Friday.
Intel Corp., down 3 cents to $36.82
Chipmakers and equipment companies traded lower.
Occidental Petroleum Corp., up $2.38 to $60.40
Energy companies traded higher as the price of oil bounced back from some steep losses.
VWR Corp., down 77 cents to $33.28
The laboratory products supplier agreed to be bought by Avantor for $33.25 a share, or $4.4 billion.
Herbalife Ltd., up $7.20 to $69.40
The nutritional supplement company had a strong first quarter and raised its estimates for the year.
Fluor Corp., down $2.42 to $48.18
The engineering, construction and operations company posted a weak profit and cut its earnings forecast.