NEW YORK — Stocks that moved substantially or traded heavily on Tuesday:

Spectra Energy Corp., up $4.85 to $41

Canadian company Enbridge agreed to buy Spectra for $40.33 a share in cash and stock, or about $28 billion.

Cepheid, up $18.11 to $52.53

Industrial and medical device company Danaher agreed to buy the diagnostics company for $53 per share, or about $4 billion.

Navistar International Corp., up $5.72 to $19.79

The bus, truck and engine maker announced a deal with a Volkswagen unit that includes an investment and a joint venture.

EOG Resources Inc., up $5.92 to $94.83

The energy company agreed to buy oil and natural gas company Yates Petroleum for $2.3 billion.

Monsanto Co., down $1.37 to $106.07

German health care and chemical company Bayer raised its bid for the seed company to $127.50 a share, or $55.8 billion.

Twenty-First Century Fox Inc., down 13 cents to $24.42

The company agreed to settle a sexual harassment lawsuit brought by former Fox News Channel anchor Gretchen Carlson.

Lincoln National Corp., down $1.06 to $47

Banks traded lower after a survey showed weaker growth from U.S. service companies in August.

3D Systems Corp., up 83 cents to $15.75

3-D printing companies climbed after General Electric agreed to spend $1.4 billion to buy two European competitors.