NEW YORK—Stocks rose just enough Thursday for Wall Street to barrel into a new bull market as the S&P 500 keeps rallying off its low from last autumn.
The index rose 0.6 percent to carry it 20 percent above a bottom hit in October. That means Wall Street’s main measure of health has climbed out of a painful bear market, which saw it drop 25.4 percent over roughly nine months.
The Dow Jones Industrial Average added 168 points, or 0.5 percent. The Nasdaq composite, meanwhile, led the market with a 1 percent rise. That’s been the norm so far this bull run, as chip maker Nvidia and a handful of other big tech stocks have been responsible for the lion’s share of Wall Street’s gains….