High-yield bond mutual funds saw outflows total an eye-popping $7.1 billion last week. "HY flowmageddon," said Goldman Sachs' Charles Himmelberg in a research note we saw via @lebullmarche. "This is the largest HY outflow on record – a 6-sigma event when flows are scaled by mutual fund assets under management!" [snip] A 6-sigma event is extremely rare. If you want to put a number to it, think 1 in 500 million. According to Business Insider quant reporter Andy Kiersz, it's like flipping a coin 29 times in a row and getting heads each time. It's like rolling a die 11...