“Never play macho man with the market,” always “identify your risk tolerance,” and most of all, “if you’re afraid — don’t do it. If you’re doing it — don’t be afraid.” This last one is actually a Genghis Khan quote, but it was also one of the top gems under the #AdviceForYoungTraders hashtag, which went viral on Twitter Friday. The hashtag was among the top trending on Twitter, populating feeds with advice like “keep your cost basis low” and “don’t fight the Fed on a nasty dunk.” It all started with a simple observation: two-thirds of traders on Wall Street have never seen a full Fed tightening cycle, as a Bloomberg ... (full story)