Prices of oil dropped on Thursday as US producers in the Gulf of Mexico planned to resume output following Hurricane Sally, and on worries about the coronavirus pandemic was indicating a few signs of stalling. 

Brent crude dropped 0.4%, to $42.07 a barrel at 0832 GMT, after rising 4.2% on Wednesday. US West Texas Intermediate (WTI) crude was down 0.4%, at $39.99 a barrel, after bouncing 4.9% on wednesday.

US energy corporations were starting to return crews to offshore oil platforms in the Gulf of Mexico after Hurricane Sally stalled operations for five days, shutting down output of almost 500,000 barrels per day (bpd).