Airlines across the world canceled hundreds of flights and scrambled to adjust schedules, as a major Airbus SE software glitch threatened to derail a crucial holiday travel season.

Lee calls himself lucky.

Airbus SE’s warning that thousands of its A320 jets need an urgent software upgrade grounded aircraft in Australia and New Zealand on Saturday, causing travel delays.

One of the first signs of trouble arrived at 9:41 p.m. Eastern time on Thursday, when most of Wall Street was shut and traders were still enjoying the Thanksgiving holiday in the US.

Airbus SE cautioned that more than half of its active A320 jetliner family fleet will need a software fix after a recent incident involving a JetBlue Airways Corp. airliner revealed that “intense solar radiation” could corrupt data that helps maintain functioning flight controls.

Germany’s stock market is set to lure more international investors next year with the government’s €500 billion infrastructure spending plan likely to buoy the economy and unlock a dealmaking boom, bankers and executives at this week’s Deutsche Boerse AG’s capital markets conference said.

When a data center cooling issue halted futures and options trading at the Chicago Mercantile Exchange, it focused attention on the hidden infrastructure that’s becoming ever more critical to daily life: data centers. These facilities are essential for everything from commodities trading to uploading the photos on your smartphone to the cloud.

Russia is moving toward a full block of messaging app WhatsApp after degrading the service for months, taking another step to replace Western communication and technology platforms with domestic ones.