Mid-day Update

Satya Nadella is Microsoft's new chief executive. We look back at Steve Ballmer's tenure as his successor takes over. And where have manufacturing jobs gone?

The new Secretary of Commerce Penny Pritzker is going on a trade mission to Mexico to find new business partners to match with U.S. companies. And, investing in iPads to help schoolchildren learn carries some costs that may be getting overlooked.

There’s a lot of chatter out there about who will be named as Microsoft’s next CEO. We wondered what sort of advice people — not just those who know the Fed but regular folks, too — might have for Janet Yellen, as she becomes the chairwoman of the Federal Reserve. And, this weekend's game is a big opportunity for the pro-pot faction.

Investors are pulling out of emerging markets, and putting their money into older markets. How much does the Fed have to do with it? A proposal to waive tuition at public universities, but grads will have to "pay it forward." And, Cuba looks for foreign investment.

President Obama focused mostly on domestic issues during his speech last night. How did it go over in Europe? Some say Nintendo needs to ditch the console and focus on games, but Nintendo may still try to save its hardware business. And, the USPS raised the price of stamps by 3 cents last Sunday.

Previewing tonight's SOTU. The NSA and its British counterpart are sucking up data from some mobile apps. And, there’s a lot of code in the Silicon Valley dress code.

Emerging markets are starting off 2014 in the worst place they've been in 5 years. A new study says more than half of Americans are fuzzy on the deadline for signing up for health insurance. And, some charter schools see a benefit to pulling students from both sides of the tracks.

Banks are reluctant — or, in most cases unwilling, — to do business with the marijuana industry. Railroads are shipping less coal, while they're sending packed supply trains to the oil fracking fields of North Dakota. And, less than five months before Brazil's World Cup kicks off, 6 out of 12 venues are still unfinished.

Carl Icahn wants eBay to spin off PayPal, separating the online auction site from the digital payment service. And, researchers say that African-Americans who rent out comparable apartments in similar neighborhoods charge less for their listings than white hosts do.

The World Economic Forum kicks off today in the Alpine town of Davos, Switzerland. 95 percent of people who enroll in massive open online courses, or MOOCs, drop out. And, a recent study shows one in 10 job applicants have been rejected because something turned up in their credit history.