What can frighten dollar?

Whether there is something, what is capable to force "bears" on EUR/USD to recede? Unwillingness Federal Reserve System United States of America America to pay attention to a collapse of the American share indexes and intention of European central bank to put up a wall round the European bond markets for their protection against global shocks allowed US dollar to be noted best week against euro for the last seven months. Considerable role return of investors to grinbeku after the ardent speech played Jerome Khayden Powell following the results of January meeting of Federal Open Market Committee. The day before speculators reduced net-longi on the USD index against six main world currencies to the minimum mark in 21 weeks...