we aren't climbing the wall of worry, this a redistibution. Bulls from way below taking off some profits, not all but some. the economy is great. trump is the wild card, that has yet to be played out. he's creating lots of uncertainty i'll give you that
When trend is up, nearly all of the sell signals that you get will be for small gains or will not pan out at all. Conversely, when trend is up nearly all buy signals will be valid.