The market outlook seems to point entirely toward a decline; shouldn't I invest in reverse/short positions?

I am asking this from the perspective of a stock market beginner.
The overall market sentiment seems to be pointing toward a decline.
In that case, shouldn't I be investing in reverse or short positions?
I am already stuck in positions, so I have no choice but to hope for a long rally.
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Thinking simply,
since the macro-economic situation feels like it's at its worst,
I was wondering if it would be a good idea to enter a short position.