Bad economy, President Joe Biden loses; good economy, former President Donald Trump wins. That was the theory Trump provided followers Wednesday in a nuanced Truth Social analysis of the effect his presidential election campaign has had, and will have, on the stock market. ALSO READ: Trump told to pay up before rallying in N.J. town he previously stiffed “The only reason the Stock Market is high is because I am leading in all of the Polls,” Trump declared. “I don’t win, we will have a CRASH of similar proportions to 1929.” Trump of course was threatening readers with the prospect of another Bl…