Credit Suisse shares jump over 25% after a $54 billion SNB loan eases jitters, US stock futures stabilize

• Credit Suisse stock jumped Thursday after the SNB agreed to loan the banking giant $54 billion.
• The Swiss lender's Zurich-listed shares rose over 25%, reversing on big declines in the prior session.
• US stock futures wavered around the flatline after logging big losses on Wednesday.

Credit Suisse shares shot up 32% at the open in Zurich on Thursday, staging a recovery from the previous day's big losses after the Swiss National Bank offered the lender a $54 billion loan.