Top US stock recommendations of the day:

ALON USA: Goldman Sachs upgrades to buy from neutral.

BANK OF NEW YORK MELLON: Guggenheim downgrades to neutral from buy.

BED BATH & BEYOND: Citigroup upgrades to buy from hold, price target of $67.

CONSTELLATION BRD: Stifel Nicolaus downgrades to hold from buy.

FACEBOOK: Hillside initiates coverage at buy.

LEGG MASON: BMO Capital downgrades to underweight from neutral.

MACYS: Citi upgrades to buy from neutral, price target of $46 (vs. $38).

SIMON PROPERTY GROUP: Imperial Capital reiterates hold, price target of $168 (vs. $160).

TARGET: Citi upgrades to buy from neutral, price target of $72 (vs. $70).

UNITED HEALTH GROUP: Goldman Sachs upgrades to buy from neutral, price target of $66. Adds stock to its Conviction Buy list.

YUM! BRANDS: Baird downgrades to neutral, price target lowered from $72 to $60.

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