Citigroup, Qualcomm: Stocks to Watch

Piper left its estimates for the second quarter and the whole of fiscal 2012 intact but lowered its earnings view for fiscal 2013 to $6.43 a share from $6.62 a share.

"Looking forward however, we have reduced confidence (which resulted in our lowered projections) based on a lack of relative upside to mix shift, pending assessment of comp volatility based on National TV advertising and again...overall strategic and tactical execution risks," said the firm, which dropped its 12-month price target to $129 from $165.

Panera shares closed Friday at $147.31, up 1.5% so far in 2012.

--Written by Michael Baron in New York.

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