over 3 years her

Stocks that traded heavily or had substantial price changes Tuesday:

Canadian National Railway Co., down $ 7.98 to $ 110.15.

The railroad operator made a rival buyout offer for Kansas City Southern to top Canadian Pacific Railway.

International slotxo download Business Machines Corp., up $ 5.04 to $ 138.16.

The technology and consulting company beat Wall Street's first-quarter profit and revenue forecasts

United Airlines Holdings Inc., down $ 4.69 to $ 50.30.

The airline's first-quarter loss was worse than analysts had expected.

Abbott Laboratories, down $ 4.53 to $ 120.

The maker of Pedialyte reported disappointing first-quarter revenue.

Procter & Gamble Co., up $ 1.14 to $ 137.75.

The maker of Charmin toilet paper is raising prices because of higher commodity costs.

Altria Group Inc., down $ 1.89 to $ 47.19.

The Biden administration is reportedly considering requiring tobacco companies to cut the nicotine level of cigarettes sold in the U.S.

ManpowerGroup Inc., up $ 4.10 to $ 113.20.

The staffing company's first-quarter profit and revenue beat Wall Street forecasts.

Dover Corp., up $ 4.43 to $ 144.86

The Illinois-based maker of garbage trucks and fuel pumps reported strong financial results and raised its profit forecast for the year.