All that is happening is money tinkering. Nothing fundamental is improving. Government is still becoming more invasive, taxes are increasing, energy and mineral production are still being handcuffed, and market forces are increasingly being hampered by central control. The model for this economy is Japan, which also saw teasing semblances of recovery, only to be disappointed with continuous malaise. Is the US any more special that it deserves some magical dispensation from economic law?
Actually, if you go to Yahoo Finance and click on the economic indicators data link you’ll find about 10 different data measurements that show an improving economy.