The October inflation print gave investors a reason to cheer, given its implications for the Federal Reserve’s monetary policy. Ark Invest founder Cathie Wood took to Twitter Saturday to offer her take on the inflation outlook. A Serious Policy Mistake: Inflation is unwinding, Wood said. If her deduction is true, the economy could be heading back to the future with the “Roaring Twenties,” the last time several general-purpose technologies, namely the telephone, electricity, and the internal combustion engine, evolved at the same time, she said, adding the setup is remarkably similar. Prior to the Roaring Twenties, there was World War...