Dollar Thrifty, Gaiam, Intel, Micron, PetMed: U.S. Equity Movers

HTZ US), the largest publicly traded rental-car company, offered to buy Dollar Thrifty, countering a bid by competitor Avis Budget Group Inc. (CAR US). Hertz offered $72 a share in cash and stock for Dollar Thrifty, 24 percent more than Avis���s offer...