STOCKS RISE: Here's what you need to know

Stocks rebounded from Wednesday's drop as companies including Ford and DowDuPont beat on earnings.  Here's the scoreboard:  Dow: 23,400.86, +71.40, (0.31%) S&P 500: 2,560.40, +3.25, (0.13%) Nasdaq: 6,556.77, -7.12, (-0.11%) CVS Health, the retail pharmacy giant, is in talks to purchase Aetna, one of the five large publicly-traded health insurance companies, according to The Wall Street Journal. The deal would be worth about $66 billion, according to the report. The European Central...