PE HUB First Read

WalMart takes Visa to court over debit card payments. It wants customers to verify purchases with PINS and not signatures.

A Canadian teenager uses Google maps to discover an ancient Mayan city, The Fire Mouth.

Bernie Sanders won the West Virginia democratic primary so he’s not out yet.

WhatsApp has launched a desktop version of its mobile messaging service.

Salesforce.com is suffering some outages due to a database failure.

The New York Times issued a hilarious correction on Monday.

Chipotle Mexican Grill has hired two leading food safety experts, including a former critic.

Photo courtesy a Chipotle Mexican Grill is seen the day before it announces its first quarter results, in Los Angeles, California, United States, April 25, 2016. REUTERS/Lucy Nicholson – RTX2BMX1