Take a look at some of Tuesday's morning movers:
Facebook - Bernstein upgraded the company to “market perform,” while lowering its share price to $23.
Aetna - The company reported better-than-expected second-quarter earnings, while boosting its 2012 outlook.
Valero Energy - The company reported better-than-expected second-quarter earnings and boosted its dividend to 17.5 cents from 15 cents.
Kulicke & Soffa - The company reported better-than-expected third-quarter earnings and issued a strong fourth-quarter sales outlook.
Pfizer - The drug maker reported better-than-expected quarterly earnings, helped by cuts in research spending and other costs. It affirmed its 2012 profit forecast, despite the negative impact of a stronger dollar.
Coach - The upscale leather goods maker reported lower-than-expected fourth-quarter sales, hurt by promotion deals it offered North American shoppers.
Honda - The automaker’s quarterly profit surged nearly eight-fold as its North American market rebounded.
AmerisourceBergen - The company won an $18.5 billion drug contract from pharmacy benefit manager Express Scripts . Rival Cardinal Health lost a $9 billion contract from Express Scripts.
Lin TV - The company reported better-than-expected second-quarter earnings and revenues, and raised its third-quarter guidance.
Penske Automotive Group - The company reported better-than-expected second-quarter earnings, as same-store retail revenue increased 9.4 percent.
Tyco - The company reported better-than-expected third-quarter earnings as sales rose 4 percent. It said it is on track to complete its breakup into three companies in September.
Heidrick & Struggles International - The company reported less-than-expected second-quarter earnings and withdrew its previously issued guidance.
Dendreon - The company reported weaker-than-expected second-quarter earnings.
Humana - The company reported better-than-expected second-quarter earnings, but lowered its 2012 outlook.
Cirrus Logic - The company reported better-than-expected first-quarter earnings and issued a strong second-quarter revenue outlook.
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