Reader: "Recently, my friend just shared with me that he lost 80k on the day that trump won the election. He went to short jap futures seeing that the DJIA futures were tumbling. The media were calling for doomdays and he shorted aggressively. In the end, he got stopped out. Now he has lost his entire savings. I wonder how long he will need to save another 80k. Now no more ammo to invest if a crash finally happens. I also didnt expect the market to recover that fast and break new high thereafter. Any special advice for the friend of mine.. It seems that he doesnt learn from his mistakes..." Assi AK Ask him to read this for a start: Position sizing, war chest, volatility, nibbles and gobbles. Don't ever throw everything we have including the kitchen sink into a gamble.  We should be smart enough to know ......