Based on what exactly? AAPL is looking more ballonish by the day, Amazon topping out Tesla topped out, BA is dead money, DIS is dead money, INTC looks like dead money, banks know that rates are going even lower, MSFT looks toppy,GOOG is now a NO TOUCH above $1500, FB priced for perfection, oil is dead for rest of the year, there's an election, stimulus money from march barely had an effect, $600 unemployment benefits expired yesterday, the new stimulus plan is delayed and the dollar sell off has already happened.
AXP WMT CSCO JPM PFE UNH GS aren't going to pull the market up.
Honest, what is going to move the needle that high? AAPL just priced in all of 5G in one day
IBM is stuck under $135
RTX can't seem to hold $60+
MCD sold off which was very surprising ( drive through never closed during shutdown
XOM and CVX are preparing for $35 oil
VZ is stuck at $54-$57
HD pulled an entire year's worth of sales forward.
S&P at 3270 is expensive even for 2021 EARNINGS
So then you agree it's a bubble and not sustainable?
Market Data 
Markets 
AI
