The top after-market NASDAQ Losers Tuesday were: JDA Software Group, Amazon.com, Ubiquiti Networks, C.H. Robinson Worldwide, Harmonic, Concurrent Computer Corp, Silgan Holdings and Sify Technologies.

JDA Software Group, Inc. (JDAS) stock slumped 9.74 percent to $26.60 in post market trading session. The company swung to fourth quarter net loss of $1.4 million or $0.03 per share, compared to net income of $5.8 million or $0.14 per share in the same period a year-ago.

Amazon.com, Inc. (AMZN) stock slumped 8.71 percent to $117.50 in post market trading session. Its fourth quarter net profit declined to $177 million or $0.38 per share from $416 million or $0.91 per share in the same period a year-earlier. Net sales rose to $17.43 billion from $12.95 billion in the same quarter last year, while analysts' expected sales of $18.21 billion.

Ubiquiti Networks, Inc. (UBNT) stock slumped 8.57 percent to $22.20 in aftermarket trading session. Its second quarter non-GAAP net income rose to $24.9 million or $0.27 per share from 11.1 million or $0.11 per share in the same period a year-ago.

C.H. Robinson Worldwide, Inc. (CHRW) stock plunged 6.33 percent to $64.48 in post market trading session. Its fourth quarter net profit rose to $109 million or $0.67 per share from $103 million or $0.62 per share in the same quarter a year-ago, but fell short of analysts' expectation of $0.68 per share.

Harmonic Inc. (HLIT) stock plunged 5.61 percent to $5.55 in aftermarket trading session. The company swung to fourth quarter net profit of $4.33 million or $0.04 per share compared o net loss of $13.74 million or $0.12 per share in the same quarter last year.

Concurrent Computer Corp. (CCUR) stock declined 4.79 percent to $3.58 in post market trading session. The company reported second quarter net loss of $0.10 per share compared to $0.10 per share in the same period last year.

Silgan Holdings, Inc. (SLGN) stock declined 3.73 percent to $40.01 in post market trading session as its first quarter earnings guidance fell short of expectations. For the first quarter, the company expects earnings to be in a range of $0.42 to $0.47 per share against analysts' estimation of $0.50 per share.

Sify Technologies Ltd. (SIFY) stock declined 3.51 percent to $4.40 in post market trading session.

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