Market Close: Big Winners & Losers for April 16, 2013

Here are today's five biggest gaining stocks at closing:

Mattersight Corp. (NASDAQ: MATR) is up 29.4% at $2.33.

Comstock Holding Companies Inc. (NASDAQ: CHCI) is up 19% at $2.75.

Syntroleum Corp. (NASDAQ: SYNM) is up 17.1% at $4.12.

Life Partners Holdings Inc. (NASDAQ: LPHI) is up 16.8% at $3.48.

NovaCopper Inc. (NYSEMKT: NCQ) is up 16.6% at $1.97.

And here are today's five biggest losing stocks at closing:

Jacksonville Bancorp Inc. (NASDAQ: JAXB) is down 42.1% at $0.81.

Dialogic Inc. (NASDAQ: DLGC) is down 18.6% at $0.26.

Telestone Technologies Corp. (NASDAQ: TSTC) is down 17.7% at $0.84.

Sarepta Therapeutics Inc. (NASDAQ: SRPT) is down 13.4% at $33.99.

Keynote Systems Inc. (NASDAQ: KEYN) is down 12% at $11.45.

Filed under: 24/7 Wall St. Wire, HI/LOW, Market Close Tagged: CHCI, DLGC, JAXB, KEYN, LPHI, MATR, NCQ, SRPT, SYNM, TSTC