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Top Analyst Upgrades & Downgrades (ADTN, LNT, AEP, AMLN, BCS, BRCM, EXPD, HLS, HES, MRO, IM, IDCC, INTX, LL, NTGR, RIMM, STO, SUP, VMED, QCOM, INTC, BBBY, AAPL)

Source: Jon Ogg
These are some of the top analyst upgrades, downgrades and initiations seen in Wall Street research calls this Tuesday.

ADTRAN Inc. (NASDAQ: ADTN) Cut to Equal-weight at Barclays.

Alliant Energy Corp. (NYSE: LNT) Reiterated Buy and raised target to $52 at Argus.

American Electric Power Co. (NYSE: AEP) Raised to Overweight at Morgan Stanley.

Amylin Pharmaceuticals, Inc. (NASDAQ: AMLN) Raised to Equal-weight at Morgan Stanley.

Barclays PLC (NYSE: BCS) Cut to Hold at Deutsche Bank.

Broadcom Corp. (NASDAQ: BRCM) Reiterated Buy with $46 target at Argus.

Expeditors International (NASDAQ: EXPD) named as Bear of the Day at Zacks.

HealthSouth Corporation (NYSE: HLS) Started as Buy at UBS.

Hess Corporation (NYSE: HES) added to Top Pick List with Marathon Oil Corporation (NYSE: MRO) being removed from the list at BofA/ML.

Ingram Micro Inc. (NYSE: IM) Cut to Market Perform at Raymond James.

InterDigital, Inc. (NASDAQ: IDCC) Cut to Equal-weight at Barclays.

Intersections, Inc. (NASDAQ: INTX) named value stock of the day at Zacks.

Lumber Liquidators Holdings, Inc. (NYSE: LL) Cut to Hold at KeyBanc.

Netgear (NASDAQ: NTGR) Raised to Overweight at Barclays.

Research in Motion Ltd. (NASDAQ: RIMM) Cut to Underweight at Barclays.

Statoil ASA (NYSE: STO) Started as Neutral at BofA/ML.

Superior Industries (NYSE: SUP) named Bull of the Day at Zacks.

Virgin Media (NASDAQ: VMED) Reiterated Buy with $33 target at Canaccord Genuity.

CHANGES MADE to Argus institutional portfolio: QUALCOMM Inc. (NASDAQ: QCOM) replacing Intel Corporation (NASDAQ: INTC); Bed Bath & Beyond (NASDAQ: BBBY) added to list; Apple Inc. (NASDAQ: AAPL) is still 2.7% of the portfolio but Argus has taken out 1/4 of the position based upon performance and valuation.

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JON C. OGG