The top after-market NASDAQ gainers Monday were Amicus Therapeutics Inc, NuPathe Inc, Affymax Inc, GT Advanced Technologies Inc and Take-Two Interactive Software Inc. The top after-market losers Monday were Optimer Pharmaceuticals Inc, G-III Apparel Group Inc, Gentiva Health Services and Ligand Pharmaceuticals Inc.  

Gainers

Amicus Therapeutics Inc (FOLD) shares climbed 5.99 percent to $6.19 in post-market trading. The company shares have a 52-week trading range of $2.96 - $7.29 and $288.79 million in market capitalization.

NuPathe Inc (PATH) shares gained 4.43 percent to $3.30 in post-market trading. The stock has a 52-week low of $1.52, a 52-week high of $5.10 and $46.62 million in market capitalization.

Affymax Inc (AFFY) shares rose 5.82 percent to $3.30 in post-market trading. The company shares declined 4 percent in regular trading. The shares have a 52-week trading range of $6.01 - $27.74 and $811.34 million in market capitalization.

GT Advanced Technologies Inc (GTAT) shares advanced 4.05 percent to $3.60 in post-market trading. The stock has a 52-week low of $3.00, a 52-week high of $9.89 and $411.78 million in market capitalization.

Take-Two Interactive Software Inc (TTWO) shares gained 3.97 percent to $13.10 in post-market trading. The stock has a 52-week low of $7.37, a 52-week high of $16.99 and $1.14 million in market capitalization.

Losers

Optimer Pharmaceuticals Inc (OPTR) shares declined 7.22 percent to $9.12 in post-market trading. The company shares gained 7.79 percent in regular trading. The shares have a 52-week trading range of $8.79 - $16.49 and $468.80 million in market capitalization.

G-III Apparel Group (GIII) shares slumped 6.98 percent to $32.52 in post-market trading. The company shares surged 7.50 percent in regular trading. The company shares have a 52-week trading range of $21.21 - $39.50 and $702.64 million in market capitalization.

Gentiva Health Services Inc (GTIV) shares dropped 5.46 percent to $9.87 in post-market trading. The company shares advanced 5.78 percent in regular trading. The stock has a 52-week trading range of $5.13 - $12.85 and $319.82 million in market capitalization.

Ligand Pharmaceuticals Inc (LGND) shares fell 5.23 percent to $2.06 in post-market trading. The stocks surged over 5 percent in regular trading Monday.