Changing and adapting minds

The markets in a winning mood especially the FDAX which goes up and up, now we are at 4800. It is true what I read here he who fears change should be afraid. I would say:

He who cannot adapt and change his mind will never win.

I went long too yesterday evening.to close in the day a profitable trade.

It is clearly the Nasdaq which leads the pack.

daytrading
FDAX