Snack time: Campbell Soup shares rose 4 percent to $57.02 Tuesday after the company reported that a profit in its fiscal first quarter was better than expected thanks to lower expenses and better sales of snacks like Pepperidge Farm. Campbell Soup shares closed the week at $57.52.

Bargain hunting: Dollar Tree rose 10 percent to $90.21 Tuesday after it raised its profit and sales forecasts following solid results in the third quarter. Dollar Tree shares closed Friday at $89.18.

Missing the market: Meat producer Tyson Foods tumbled 14.5 percent to $57.60 Monday after the company's fourth-quarter profit and sales fell far short of Wall Street's forecasts as Tyson's chicken business struggled. The company also said its CEO is departing at year's end. Tyson shares closed the week at $59.65.

Bad trial: Eli Lilly dropped 12 percent to $66.54 Wednesday after saying a potential treatment for Alzheimer's disease failed in a clinical trial. The company said solanezumab did not slow down patients' mental decline compared to a placebo. Lilly shares closed the week at $69.12.

Bounce back: Tractor, agricultural and construction equipment maker Deere jumped 9 percent to $100.65 Wednesday after the company that has been dogged by a construction slowdown disclosed a bigger profit than analysts expected. The stock closed Friday at $103.92.

Good trip: Shares of Chinese travel site Ctrip.com rose 10 percent to $45.01 Friday after the company posted strong earnings and announced it will acquire a UK-based travel search website.