Is the sky falling for stocks? Time to head for the hills and put all your money into cash and gold? No. But some investors are starting to worry the market could be due for another huge sell-off -- just like the infamous Black Monday crash that happened exactly 29 years ago. October 19, 1987. In anticipation of this not exactly significant milestone, some traders have started to circulate a stock chart that appears to show eerie parallels to 1987. I've gotten several emails about it and have seen it often on Twitter this month. If you look at it quickly, it's more frightening than any creepy clowns that may be ... (full story)