What follows is a roundup of corporate earnings reports for Tuesday, Feb. 1.

Archer Daniels Midland is expected to report earnings before the bell.

Aflac and Boston Scientific are expected to release earnings after the bell.

BEFORE THE BELL

Pfizer

The pharmaceutical company released earnings of 47 cents a share on revenue of $17.56 billion.

UPS

The package delivery company posted earnings of $1.08 a share on revenue of $13.42 billion.

Archer Daniels Midland

The food processor and ethanol producer delivered earnings of $1.06 a share.

Biogen Idec

The biotech company announced earnings of $1.42 a share on revenue of $1.22 billion.

Celanese

The chemical company reported earnings of 73 cents a share on revenue of $1.51 billion.

Covidien

The medical equipment maker delivered earnings of 95 cents a share on revenue of $2.77 billion.

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