A topsy-turvy August has reached its end. The Nasdaq Composite rallied Thursday, extending a record streak that was earlier in jeopardy as lower-risk investments such as gold and Treasury bonds appreciated. Volatility re-emerged in the stock market and the energy sector’s slump deepened as the Gulf Coast oil industry took a heavy blow from Harvey. Here’s a look at some of the highlights:Low Volatility Streak EndsThe S&P 500 posted more steep moves than usual, ending the day up or down at least 1% on three occasions...

Source: Wall Street Journal August 31, 2017 16:37 UTC