These are some of the top analyst upgrades, downgrades and initiations seen from Wall St. research calls this Friday.

Applied Materials Inc. (NASDAQ: AMAT) maintained Buy with $16 target after layoffs and restructuring by Argus.

ArecelorMittal (NYSE: MT) cut to Netral at Citigroup.

Avery Dennison Corp. (NYSE: AVY) started as Underperform with $29.50 target at Credit Suisse.

Biogen Idec Inc. (NASDAQ: BIIB) cut to Perform at Oppenheimer.

Brocade Communications Systems Inc. (NASDAQ: BRCD) started as Neutral at Stern Agee.

Cabot Oil & Gas Corp. (NYSE: COG) reiterated Buy and raised target to $80 at Canaccord Genuity.

Dollar General Corp. (NYSE: DG) started as Neutral at Credit Suisse.

Dollar Tree Inc. (NASDAQ: DLTR) started as Outperform with $55 target at Credit Suisse.

Family Dollar Stores Inc. (NYSE: FDO) started as Outperform with $81 target at Credit Suisse.

Hartford Financial Services Group Inc. (NYSE: HIG) reiterated Outperform and raised estimates and target to $27 at Credit Suisse.

Hewlett-Packard Co. (NYSE: HPQ) cut to Hold at Argus and cut to Neutral at Stern Agee.

Home Depot Inc. (NYSE: HD) reiterated Buy and raised target to $68 at Argus.

Illumina Inc. (NASDAQ: ILMN) maintained Outperform with $55 target at Credit Suisse.

LSB Industries Inc. (NYSE: LXU) named value stock of the day at Zacks.

Native American Energy Group (NAGP) raised target to $2 at Zacks.

Rogers Communications Inc. (NYSE: RCI) named Bull of the Day at Zacks.

Superior Industries International Inc. (NYSE: SUP) named Bear of the Day at Zacks.

Widom Tree Investments Inc. (NASDAQ: WETF) raised to Conviction Buy List with $9 target at Goldman Sachs.

Zynga Inc. (NASDAQ: ZNGA) cut to Neutral at R.W. Baird.

JON C. OGG