• European stocks opened sharply lower on Friday morning as investors reacted to Spain's worst terror attack in more than 13 years.
On Thursday afternoon, a van mowed through crowds of tourists in Barcelona killing 13 people and injuring at least 100.
• Japanese stocks fell to 3-1/2-month lows on Friday and posted a fifth weekly drop, hit by losses on Wall Street and a weaker dollar as doubts grow over whether President Donald Trump will be able to push through policies to boost U.S. economic growth.
The Nikkei ended down 1.2 percent at 19,470.41, its lowest close since May 2. For the week, it dropped 1.3 percent, falling for five straight weeks.
• China stocks were largely steady on Friday, with investor optimism over strong corporate earnings and economic fundamentals offsetting some pressure to take profits from recent gains.
The blue-chip CSI300 index tacked on 0.1 percent, to 3,725.09 points, while the Shanghai Composite Index was unchanged at 3,269.24 points.
The CSI300 gained 2.1 percent for the week and the Shanghai Composite rose 1.9 percent, its best week in more than four months.
• In Hong Kong, the Hang Seng index was unchanged at 27,408.66 points as declines for financials and property developers offset advances in other sectors as investors digested major earnings releases and company announcements.
Reference: Reuters, CNBC