Current pattern is not a bottom, it's a bearflag. Projected target is around the 2500 zone. Expect bigger moves early summer.
Bullish resistance is at 4700 at the moment, and quite strong. Bat pattern forming inside this bearflag pointing at the downward trendline and that solid resistance area.
We could see serious bullish momentum if we get above these.
For bullish resistance above 4800, look at the 200 daily moving average and 6000