Looking up: Monster Beverage climbed 5 percent to $55.48 Friday after a Stifel analyst said the company's growth plan was solid and includes raising its U.S. prices later this year in response to higher aluminum prices following the tariffs.

Put it in drive: Electric carmaker Tesla rose 4.6 percent to $304.52 Wednesday after Chairman and CEO Elon Musk repeated his view that the company will reach its production targets for the Model 3 sedan. The Model 3 is Tesla's attempt to reach the mass market. Shares finished the week at $317.66.

Study blues: Nektar Therapeutics plunged 39.3 percent to $54.88 Monday after it and a partner disclosed what investors saw as mixed-study results from a potential treatment for pancreatic cancer. Shares closed Friday at $54.14.

Earnings bounce: G-III Apparel Group climbed 8.3 percent to $46.43 Tuesday after the owner of brands including Donna Karan, Tommy Hilfiger and Calvin Klein raised its annual profit and sales forecast following a strong first quarter. Shares closed the week at $49.02.

Upbeat report: Under Armour shares rose 6 percent to $20.49 Monday after an analyst from Stifel issued an upbeat report on the company, citing a series of management moves and placing a $27 target for shares. The stock closed Friday at $22.40.

Biotech boost: Mylan N.V. climbed 5.6 percent to $40.66 Tuesday after federal regulators approved its version of Amgen's anti-infection drug Neulasta. Mylan shares closed Friday at $41.36.

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