Morning Market Losers - Alcoa (NYSE:AA)

AcelRx Pharmaceuticals, Inc. ACRX

shares tumbled 35.01% to $5.68. AcelRx received an FDA update regarding the NDA application for Zalviso.

Sky-mobi Limited MOBI

shares fell 12.76% to $4.17. Sky-mobi reported Q4 earnings of $0.12 per ADS on revenue of $33 million.

Bitauto Holdings LimitedBITA

shares declined 7.16% to $62.20 after the company reported Q4 earnings of $0.73 per share on revenue of $157.2 million.

POZEN Inc. POZN

shares fell 6.30% to $6.84. POZEN reported Q4 earnings of $0.21 per share on revenue of $9.9 million. The company also announced that it is exploring multiple strategic options.

Alcoa Inc.AA

declined 4.52% to $13.83 after the company announced its plans to acquire

RTI InternationalRTI

for $1.5 billion.

BlackBerry Limited BBRY

shares dropped 4.22% to $10.22. Goldman Sachs downgraded BlackBerry to Sell and lowered the price target from $10.00 to $9.00.

F5 Networks, Inc. FFIV

shares fell 2.37% to $115.17. Barclays downgraded F5 Networks from Equal-weight to Underperform.

Orexigen Therapeutics, Inc. OREX

shares declined 1.55% to $6.99 after falling 11.36% on Friday.

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