Blog Post: Day 29 of $QQQ short term up-trend, but it is a Tale of Two Markets; big cap stocks are distorting the cap weigthed indexes; see modified daily GMMA charts of the cap weighted $SPY compared with the equal weighted $RSP and $DIA, see $TSLA and $AAPL
The SPY ETF represents the cap weighted S&P500 index. Thus the large cap stocks drive this ETF. The SPY is in a daily RWB up-trend, driven by the few rising popular big cap stocks.