RadioShack

RadioShack upped its share buyback to $500 million from $290 mil lion. Observers say the increase signals the com pany has abandoned sell ing itself to a private-eq uity group.

Target food

Target said second- quarter net income grew 14.3 percent and that it will woo customers with a 5 percent discount for store credit-card holders and an emphasis on food.

Fairfield suit

A federal judge refused to dismiss an investor lawsuit against Fairfield Greenwich Group, a hedge fund accused of funneling money to the now-imprisoned Bernie Madoff for his Ponzi scheme.

Barclays fine

A judge who ques tioned whether Bar clays Bank was getting off too easily approved a deal under which the bank will pay $298 mil lion to settle charges that it ignored US gov ernment sanctions.

AIG bonds

American Interna tional Group, the in surer that’s majority- owned by the US, may sell bonds to help repay a government bailout, it said in a statement filed with the SEC.