Traders work on the floor of the New York Stock Exchange on May 1, 2012.
Traders work on the floor of the New York Stock Exchange. REUTERS

The top after-market NYSE gainers Monday were Teck Resources Ltd, Box Ships Inc, Stillwater Mining Company and Gardner Denver Inc.

Teck Resources Ltd (TCK) shares climbed 4.90 percent to $37.50 in post-market trading. The stock has a 52-week low of $26.12, a 52-week high of $43.99 and $20.95 billion in market capitalization.

Box Ships Inc (TEU) shares gained 3.97 percent to $4.48 in post-market trading. The stock has a 52-week low of $4.62, a 52-week high of $10.23 and $84.17 million in market capitalization.

Stillwater Mining Company (SWC) shares advanced 3.05 percent to $11.82 in post-market trading. The stock has a 52-week low of $7.47, a 52-week high of $15.24 and $1.34 billion in market capitalization.

Gardner Denver Inc (GDI) shares rose 2.68 percent to $70 in post-market trading. The stock has a 52-week low of $45.54, a 52-week high of $84.46 and $3.35 billion in market capitalization.

The top after-market NYSE losers Monday were Juniper Networks Inc, Trina Solar Limited, Main Street Capital Corporation, Hertz Global Holdings Inc and HCA Holding Inc.

Juniper Networks Inc (JNPR) shares declined 5.13 percent to $18.29 in post-market trading. The stock has a 52-week low of $14.01, a 52-week high of $25.04 and $9.94 billion in market capitalization.

Trina Solar Limited (TSL) shares slumped 4.15 percent to $3 in post-market trading. The stock has a 52-week low of $2.04, a 52-week high of $12.19 and $221.45 million in market capitalization.

Main Street Capital Corporation (MAIN) shares dropped 3.72 percent to $28.21 in post-market trading. The stock has a 52-week low of $19.4, a 52-week high of $30.98 and $927.55 million in market capitalization.

Hertz Global Holdings Inc (HTZ) shares fell 3.15 percent to $15.70 in post-market trading. The stock has a 52-week low of $10.22, a 52-week high of $16.64 and $6.82 billion in market capitalization.

HCA Holding Inc (HCA) shares declined 2.57 percent to $33 in post-market trading. The stock has a 52-week low of $19.86, a 52-week high of $34.32 and $14.95 billion in market capitalization.