Taiwan's main index opened up more than a hundred points, a positive start for chip and electronics investors.

• Silicon wafer makers led the way, with United Microelectronics, SAS and GlobalWafers all rising at the open.
• ABF substrate, optoelectronics and networking stocks joined the climb, and bank stocks added support.
• TSMC's US-listed shares rose on Friday, setting a firm tone for Monday's session in Taipei.
• Wall Street closed higher Friday but finished the week down, with chip stocks the weak spot.
• Investors remain uneasy about swings in US government bond yields and tension in the Middle East.

Outlook: Chip-related stocks look set to keep driving the index, though bond yields and the Middle East could quickly sour the mood.