I missed out on the second wave of gains. Yesterday, instead, I got liquidated. In hindsight, I realized how foolish I was—I saw a popular altcoin performing well at market open, got excited, and liquidated all my other positions, thinking I'd concentrate firepower for maximum impact. Result? After a round of trading in and out, my seven-figure portfolio was gone.

The most heartbreaking part? The Sandisk direction I didn't take went up 27%. If I'd stayed the course, those three consecutive daily limit-up moves yesterday—I would have already banked them. Now regret comes too late. I can only lay flat and accept the lesson.

The real problem comes down to one thing: greed. When you see hot coins rallying, you want to all-in, and that's precisely when it's easiest to take a hit. Trading works this way—the smart decision you think you're making often becomes your biggest blunder. From now on, I'll never believe that thought "this time I'm definitely going to nail it." Market lessons are expensive. This time I've paid enough tuition.