margin call

I once read that an investor can call himself a pro after he/she has survived at least 3 bear markets. I just survived one. At least I hope so. In fact, from my short active investor's career, I feel this is already my second bear market, with first happening back in December 2018, March 2020 market was scared from Covid-19, Trump travel Ban for EU citizens, Russia- Saudi oil war. Panic, real panic. It took about 3 weeks from all-time highs at the end of February to a 20% drop in mid-March…