Air lift: Airline stocks rallied Friday after American Airlines signaled that it was ­cutting back its growth plans in half this year amid signs that average fares are declining. American shares rose 2 percent, to $31.26. Delta Air Lines jumped 5 percent, closing at $42.46.

Storm clouds: Shares of Barracuda Networks tumbled 19 percent Friday, to $31.55, after the company said its storage business struggled in its fiscal first quarter. The cloud-based security and storage services provider said it didn't sign as many large and lengthy storage deals in the first ­quarter as it had in the previous quarter.

Strong sales: Walgreens Boots Alliance shares jumped 4 percent Thursday, to $89.55 after the drugstore chain operator said strong sales growth at established stores drove a better than expected quarterly profit and named Stegano Pessina as CEO. Its shares closed the week at $93.11.

Mixed reaction: Aetna sank 6 percent, to $118.69 Monday, the first day of trading after the company agreed to buy rival health insurer Humana for $35 billion. Humana rose 4 percent Monday, to $194.18, finishing the week at $187.25. Aetna closed Friday at $114.60.

Attention-grabbing: Dublin-based Horizon Pharma Tuesday offered roughly $2 billion to buy Depomed, a rival pharmaceutical company, in a hostile bid. Horizon fell 5 percent on the news, to $32.93, closing the week at $35.94. Depomed soared 33 percent, to $27.55, closing Friday at $30.14.

Glitch: Shares in United Continental ­Holdings fell 2 percent, to $53.30, Wednesday after the carrier temporarily grounded its flights in the U.S. because of a problem with its computer system. United Continental shares closed Friday at $55.51.

news services