Oprah Winfrey buys stake in Weight Watchers

Media magnate joins the board of the weight loss company and will develop future products

Oprah Winfrey has bought a 10 per cent stake in Weight Watchers International.

The actress and talk show host has bought nearly 6.4 million shares at Friday’s closing price of $6.79 per share for $43.2 million, Weight Watchers said.

Since then shares jumped by 37 per cent to $9.30 in premarket trading this morning.

Winfrey who runs the cable network OWN, will also have options to acquire an additional 5 per cent stake ...