Priceline Group (PCLN) gains on upgrade

Priceline Group Inc.

shares improved 1.7% to $1,169.34. The company was upgraded to buy from hold by Stifel Nicolaus, which set the online travel company's price target at $1,400 — 22% above Monday's closing price. Share volume was 426,000, compared to an all-day average of 799,000