At that time, the US economy was still humming along quite nicely.
By the time the US was facing enormous financial dislocations in 1930, Germany had relatively stabilized.
This does not match with the views of most historians found on the web:
Nazi Economic Policy 1933-1939
Before the crash, 1.25 million people were unemployed in Germany. ... Hitler,
who was considered a fool in 1928 when he predicted economic disaster, ...
About the Great Depression
In Germany, unemployment rose sharply beginning in late 1929, ... In Germany,
economic distress directly contributed to Adolf Hitler's rise to power in 1933 ...the economic situation in Germany (map2) was made worse by the enormous debt with which the country had been burdened following the First World War. It had been forced to borrow heavily in order to pay "reparations" to the victorious European powers, as demanded by the Treat of Versailles (1919), and also to pay for industrial reconstruction. When the American economy fell into depression, US banks recalled their loans, causing the German banking system to collapse.
Germany
... German Worker's Party. Hitler discovered that he had the ability ... The U.S. depression hit Germany because their economy was tied to the U.S. The widespread unemployment and fear ...
