Macy's, Yum Brands, Baidu are market movers

Macy's Inc., up $1.13 at $39.85

A Citi analyst upgraded shares of the retailer to "Buy" saying its home goods sales may rise as the economy improves.

Yum Brands Inc., down $1.86 at $62.08

The owner of KFC warned that its 2013 profit will fall as it continues to reel from a controversy over its chicken suppliers in China.

Arch Coal Inc., down 89 cents at $6.04

The St. Louis-based coal producer reported a larger-than-expected fourth-quarter loss as it dealt with a large impairment charge.

Revlon Inc., up $2.81 at $18.31

Thanks to stronger sales of its makeup and hair color, the cosmetics company's fourth-quarter net income rose 28 percent.

Nasdaq

Baidu Inc., down $10.83 at $96.37

The Chinese Internet search company released fourth-quarter earnings that prompted at least two analysts to downgrade its shares.

Denny's Corp., up 28 cents at $5.26

A Wedbush analyst started coverage of the fast food operator with an "Outperform" rating saying that sales may rise as its food quality improves.

American Science & Engineering Inc., down $2.66 at $66

A Benchmark analyst downgraded the X-ray machine maker's stock to "Hold" from "Buy," citing delays in government deals.

Virgin Media Inc., up $6.92 at $45.61

The pay television company confirmed that it is in talks to possibly sell itself to U.S. cable operator Liberty Global Inc.