Transportation 2023-07-12: unchanged "Strong" strength rating (4th strongest of 9 levels), previous move was up

Transportation 2023-07-12: unchanged "Strong" strength rating (4th strongest of 9 levels), previous move was up
Transportation for the trading week ending 2023-07-12.

Two Strongest sub-industries but these have only 6 companies. General eight week movement has been strengthening.

The various weakening weeks are evident and not frequent over the past eight weeks.

Airlines - Major and Regional, a closer look

The airlines are performing very well, most are 1Strongest.

Leaders and Laggards

Current strongest and weakest stocks are shown below. These are of most interest as the downtrodden are prone to large (if perhaps temporary) pops while the strongest have been leading the charge for their sub-industries.

Shipping has been strengthening, why would GOGL, SBLK, GRIN, and ZIM remain so weak?