That is not true. Show me where in the Federal reserve act it states that the Feds mandate is to maintain USD as reserve currency. The Fed has three mandates, none of which is what you mentioned. Tinfoil hat central. Small time gamblers injecting their own opinion into clearly spelled out mandates. That's why so many day traders lose. Average intellect equals that of garbage collectors.
%% That maybe the idea like SPY; or that could predate SPY. Good uptrend/SPY Hit $371.04\but they are selling it on weekly charts.........................................................................................NOT a prediction.