Gap gains: Gap shares rose 5 percent to $22.70 Friday after the retailer said sales at older stores grew in June as Old Navy results improved. It was the first improvement in same store sales for Gap in more than a year.
Study fallout: Drug developer Juno Therapeutics' shares dropped 32 percent to $27.81 Friday after it said it halted a mid-stage study on a potential leukemia treatment following the deaths of two patients. The study involved the company's most advanced experimental drug.
Hot stock: Shares in Nortek rose 40 percent to $87.06 Wednesday after the maker of heating and ventilation systems for buildings agreed to be acquired by Melrose Industries PLC for $86 per share, or $1.4 billion. Nortek stock closed the week at $87.25.
WhiteWave swept up: Organic food maker WhiteWave Foods jumped 19 percent to $56.35 Thursday after French yogurt giant Danone agreed to buy the company for $56.25 a share, or about $10 billion. WhiteWave closed the week at $56.64.
AVG locked down: Dutch anti-virus software company AVG Technologies surged 31 percent to $24.66 Thursday after rival Avast Software agreed to buy it for $25 a share, or $1.3 billion. AVG stock closed the week at $24.63.
Wild west: Hard-drive maker Western Digital's shares rose 5 percent to $47.76 Thursday after it forecast stronger results for its fiscal fourth quarter following the acquisition of flash memory chipmaker SanDisk in May. Western Digital stock closed Friday at $49.35.
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