Asia shares waver as China slump undercuts boost from data

Investors also awaited congressional testimony by the U.S. Federal Reserve chief later in the session. Financial spreadbetters predicted European bourses would get a lift from Wall Street's gains, with Britain's FTSE 100 seen opening up as much as 0.3 percent, Germany's DAX 0.4 percent higher, and France's CAC 40 was expected to tack on 0.5 percent. MSCI's broadest index of Asia-Pacific shares outside Japan was slightly lower in afternoon trade as Chinese shares skidded,