Stocks fall into the market close as rocky trading week continues

US stocks whipsawed on Wednesday as a volatile week of trading continued. After an unusual period of calm, volatility returned this week and wiped out all of the market's gains for the year. Many strategists have urged clients to use the sell-off as an opportunity to buy stocks at lower prices. It was another rocky day for stocks. Volatility returned to the market this week after an unusual year without a decline of 5% or more from the previous record high. On Monday, the Dow Jones...