The action on Tuesday provided some hints that problems are brewing.
Facebook, Twitter, Youtube and Microsoft agree code of conduct with the European Commission.
Investors should cast their eye to a horizon of rising rates and adjust strategy accordingly, fund managers warn, pointing to sectors set to benefit from a strengthening economy.
U.S. stocks moved higher Tuesday after Russian President Vladimir Putin said there will be no further moves into Ukraine after annexing Crimea. Weaker-than-expected housing data is not expected to see the Federal Reserve vary from its course of cutting bond purchases this week.