Investments that focus on environmental solutions could be excellent long-term opportunities for patient bargain hunters.

Due to industry headwinds, green hydrogen stocks have declined in value quite a bit, with both exchange-traded funds (ETFs) listed in this article down about 40% this year through Nov. 14.

The news seems to have created a buzz among other AI stocks as well, as many of them were in the green.

The blue-chip index, up 0.6%, was heading for its second consecutive gain this week. The Dow was riding higher on gains in ...