Tanker stocks finally tanked last week, and outlook now mixed as analysts voice new doubts

A hope for shipping stocks to post weekly gains for a solid month proved to be a bridge too far.

Now there are some real doubts about what comes next for tankers.

Following three straight weeks of gains, the 30 New York-traded shipping equities under the coverage of US bank Jefferies fell to an average 1.7% loss last week, with only 13 gainers.