Goldman Sachs

upgraded oil majors

Chevron

( CHV) and

Texaco

(TX) - Get Report

and auto parts supplier

Lear

(LEA) - Get Report

, adding them to its U.S. recommended for purchase list.

The firm previously had all three companies at market outperformer ratings.

Meanwhile, Goldman downgraded

ExxonMobil

(XOM) - Get Report

to market outperformer and removed the petroleum company from the recommended for purchase list.

ConAgra

(CAG) - Get Report

, which issued a

profit warning yesterday, was cut to market performer from market outperformer.