peHUB Second Opinion 4.11.13

Leadership vacuum at the top of Tumblr?

AutoRef raises $850K seed round

It’s another day of stock rallies and some are talking about the Dow 15000

Breanna Stewart quit Twitter and helped UConn win March Madness title.

LinkedIn buys Pulse for $90 mln.

Four ways to make cover letters suck less.

Oracle’s Mark Hurd tells us how to read a financial statement.

The Winklevii own nearly 1%, or some $11 mln, of all Bit coins.

Remember Foursquare? They got a $41 mln investment.

Immigrants are the key to the economy, says Mark Zuckerberg.

Microsoft plans to launch a new line of Surface tablets, including a 7-inch one.

Photo courtesy of Reuters