TSMC (TSM -3.3%) falls after both BofA/Merrill and Credit Suisse downgrade the company. TSMC,...

|By:, SA News Editor

TSMC (TSM -3.3%) falls after both BofA/Merrill and Credit Suisse downgrade the company. TSMC, the world's top chip foundry, had recently rallied to levels last seen during the Dot.com bubble, in no small part thanks to its heavy exposure to Apple/Samsung suppliers.