Stories from around the Web

Quick news from around the Web...

Priceline purchases OpenTable for $2.6 billion

Second quarter shift of online shoppers to mobile devices

Dunkin' Donuts heats up war with Starbucks after 52-week sales low

Starbucks revenue up 11%; increases Americas store openings

Lowes offers in-store produce prep

And finally... The world's most expensive Big Mac. Story