U.S. Stocks Move Higher After China Moves to Support Economy

By NATHANIEL POPPER, NEIL GOUGH and CHRIS BUCKLEY

Shares recovered somewhat after three days of losses. An early rally, coming off news that China had cut interest rates, slowed in the afternoon.

China Cuts Interest Rates Amid Mounting Concerns Over Economy

By NEIL GOUGH and CHRIS BUCKLEY

The central bank has cut interest rates five times since November, and the move after another day of declines for Chinese stocks.

Donald Trump Builds Team to Bolster Ground Game in Iowa

By TRIP GABRIEL

Donald J. Trump has put in place a robust field operation in Iowa, but converting raucous crowds into votes in primaries and caucuses remains a challenge.

Waukesha Plan for Lake Michigan Water Raises Worries

By MONICA DAVEY

The city wants to pipe water from the nearby lake to address a problem with its own water. But a 2008 compact prohibits that sort of thing.

A 21st-Century Migrant’s Checklist: Water, Shelter, Smartphone

By MATTHEW BRUNWASSER

For the tens of thousands of migrants flooding into Europe, smartphone maps, global positioning apps, social media and WhatsApp have become essential tools.

ARTS

Video Feature: Justin Bieber, Diplo and Skrillex Make a Hit

“Where Are Ü Now” and electronic dance music helped Justin Bieber sing for grown-ups. A story of how music is made today.

MAGAZINE | The U.S. Open Issue

The Meaning of Serena Williams

By CLAUDIA RANKINE

On tennis and black excellence.

Video: Bieber, Diplo and Skrillex Make a Hit

Justin Bieber, Diplo and Skrillex talk about the making of their hit song “Where Are U Now”.

Video: To Understand Renminbi, Follow the Bacon

From market to table, pork can explain a lot about what’s going on with China’s turbulent currency markets.

Video: ScienceTake | How the Boa Kills

Understanding how a boa constrictor’s grip is deadly.

Bets That the Fed Will Delay Interest Rate Increase Could Be Premature

By BINYAMIN APPELBAUM

As stocks slumped, sentiment grew among investors that the central bank, which takes a broad view of the economy, would hold off on raising rates this year.

DealBook Column

A Warning on China Seems Prescient

By ANDREW ROSS SORKIN

Kenneth Rogoff, a Harvard professor, has made a career of studying financial crises, and he has long warned of one coming to China.

The Upshot

Part of the Problem: Stocks Are Expensive

By DAVID LEONHARDT

Relative to long-term corporate earnings, stocks remain more expensive than at any point from the late 1940s through the early 1990s.