Take a look at some of the biggest movers in the premarket:

Tiffany (TIF) – LVMH is considering buying Tiffany shares on the open market, according to a Bloomberg report. The shares are currently selling below the $135 per share takeover price that LVMH agreed to pay when it struck its deal with the luxury goods retailer in November. Separately, Tiffany reported quarterly profit of $1.80 per share, 3 cents a share above estimates. Revenue was slightly below forecasts, but comparable-store sales exceeded estimates.