Market Insider

Midday movers: Target, Micron, Dollar Tree & more

Take a look at some of Thursday's midday movers:

GameStop - The video-game retailer's shares slid 6.6 percent after it a issued disappointing profit outlook for the current quarter and full year.  

Dollar Tree - The retailer's shares declined 4.3 percent after it posted comparable sales rose less than estimated.

Transocean - The operator of an offshore-drilling fleet said its rigs next year would represent more than a third of those looking for work. Its shares were lately off 3.8 percent.

Target - The discount chain reported a tepid gain in quarterly comparable sand and cut its full-year profit forecast. Its shares fell 4.5 percent. 

Micron Technology - Shares of the semiconductor company rose 5.3 percent after Greenlight Capital manager David Einhorn discussed holding a long position on CNBC.

Philip Morris - Goldman Sachs downgraded shares of the cigarette seller to neutral from conviction buy. Its shares declined 4.2 percent.

Johnson Controls - Shares jumped 4.9 percent after the maker of heating and ventilation systems increased its share-buyback program by $3 billion.

(

—By CNBC's Kate Gibson.

Questions? Comments? Email us at