Tarragon

( TARR) was on the rise after the New York-based real estate company saw a boost in second-quarter income. The company earned $10.7 million, or 34 cents a share, compared with $8.8 million, or 28 cents a share, a year ago. Revenue increased 61% over a year ago to $146.7 million. Tarragon forecast income from operations this year of $2.10 to $2.40 a share. Tarragon was gaining $1.87, or 20.2%, to $11.13.

TiVo

(TIVO) - Get Report

rose after the Alviso, Calif.-based digital video-recorder company said it signed a deal with Cox Communications to make its DVR and interactive-advertising service available to select Cox subscribers. Financial terms of the deal were not disclosed. Shares were trading up 30 cents, or 4.2%, to $7.48.

Par Pharmaceutical

( PRX) stumbled after the Woodcliff Lake, N.J., company, which makes and distributes generic and branded drugs, was downgraded by Goldman Sachs to sell from neutral. Shares were diving 11 cents, or 0.6%, to $17.67.

Georgia Gulf

(GGC)

slipped after the Atlanta-based chemical-products company was downgraded by UBS to neutral from buy. Shares dropped $1.54, or 5.9%, to $24.66.