i don't see major support if 67.70 support fails, in that case price would go all the way down to around $60.10. next considerable support zone are 67.50, 65 - 64 then 62 - 61. May be good strategy for long position is to buy in stages.
stage 1: 67.70 zone stage 2: 65-64 zone stage 3: 62-61 zone.
P.S: please note these are my personal notes for my future refernce and by no means trading advise to anyone. please do your own research before entering into any trade.