Palantir - up more than 20% in pre-market. Where next?

Taking a look at Palantir after its earnings yesterday. The tech company beat analysts’ expectations, as a result, its stock is now up more than 20% in pre-market trading. Currently, its shares are trading at around $20.15 a share. Looking at the chart, the stock has been moving sideways since August of last year. Fairly rangebound between $14-$21, though it seems to have found some support as close to the 200-day moving average. We can see a support level has been established at $15.46, marked by the white trendline. After the earnings boost, the resistance in focus now is $20.23 followed by last year’s high of $21.83. A break above $21.83 would then shift the focus towards $27-$28. On the other hand, a move below the support of $15.46 would shift the focus towards $14.35. Looking at the technical indicators, they are now strongly positive. The MACD volume has extended and RSI reads 69.