Bond markets are reacting to concerns about inflation. The situation has been described as the inflation genie being out of the bottle. This phrase suggests that inflation may be rising and becoming difficult to control.

Further information about this development is available from CNBC. They have reported on the bond markets' response to the potential inflation issue.

Details about the specific concerns and reactions of the bond markets can be found in the full report from CNBC, which provides more insight into the situation and its potential implications.