There some of reason:
Fundamental:
1-masive growth in the revenue
2-ROE become positive
3-RIOT is in 1 rank in her industry
4-Cash Ratio 460%
5-zero debt
6-promising industry
7-Institutional Holdings +
Technical:
Explanation in chart
Fundamental:
1-masive growth in the revenue
2-ROE become positive
3-RIOT is in 1 rank in her industry
4-Cash Ratio 460%
5-zero debt
6-promising industry
7-Institutional Holdings +
Technical:
Explanation in chart