Colonial Pipeline says deliveries will reach all markets by midday

Shortages due to panic buying could last for up to two weeks, analyst says.

Colonial Pipeline said Thursday it has restarted much of its pipeline with deliveries expected in regions in the southeastern U.S. that had experienced gasoline shortages although one analyst said fuel supplies will remain tight for up to two weeks in states where pumps had run dry.

The company restarted operations on its pipeline Wednesday after a cyberattack forced it to shut down the crucial fuel line that delivers nearly half the gasoline to the East Coast....