NEW YORK -- Stocks that moved substantially or traded heavily on Tuesday:
Gilead Sciences Inc., down $2.37 to $67.68
The biotechnology company's fourth-quarter results fell short of expectations as sales of its key hepatitis C drug fell and the company gave a weak outlook for 2019.
Entegris Inc., down 31 cents to $33.33
The maker of equipment used in chip manufacturing reported a surge in sales and its financial results beat Wall Street forecasts.
Viacom Inc., up 88 cents to $30.33
The entertainment company reported earnings that easily beat Wall Street expectations.
Archer-Daniels Midland Co., down $2.64 to $41.85
The agricultural giant reported a slight drop in fourth-quarter sales that fell short of forecasts as its ethanol business suffered in overseas markets.
Ralph Lauren Co., up $9.61 to 124.16
The upscale clothing company beat Wall Street forecasts for its most recent quarter as sales rose globally.
Estee Lauder Co., up $15.85 to $152.02
The beauty products company beat Wall Street forecasts and gave a better-than-expected outlook, with results in Asia.
RBC Bearings Inc., down $9.33 to $131.47
The maker of bearings and components reported weaker-than-expected quarterly sales and a weak outlook for the current quarter.
BP Plc., up $1.43 to $42.82
The oil and gas company beat Wall Street forecasts as higher output pushed profit higher.