KEY POINTS
  • The FDA approves migraine preventative treatment Aimovig.
  • One Wall Street analyst predicts the anti-migraine category could be a $1 billion to $2 billion business over the next five years.
  • Michael Yee, managing director at Jefferies, expects others companies to get into the migraine treatment sector.

The anti-migraine drug Aimovig from Amgen and Novartis could become a $1 billion to $2 billion business over the next five years, said a Wall Street analyst.

"That's a 10 percent move to Amgen's revenue," Michael Yee, managing director at Jefferies, an investment banking firm, told CNBC.