NEW YORK —
Arista's stock jumped $14.68, or 34 percent, to $57.68.
EUROPE: Major European markets climbed Friday. Germany's main stock index, the DAX, rose 0.4 percent, while France's CAC 40 gained 0.8 percent. Britain's FTSE 100 rose 0.6 percent.
ASIA: By contrast, most Asian markets ended lower. Hong Kong's Hang Seng closed down 0.7 percent. In mainland China, the Shanghai Composite Index lost 0.5 percent. Japan's Nikkei 225 ended little changed.
BONDS AND COMMODITIES: In the market for U.S. government bonds, the yield on the 10-year Treasury slid to 2.56 percent from 2.59 percent late Thursday. Yields fall when bond prices rise. The price of oil rose 45 cents to $102.92 a barrel