A current key to stabilizing climates across the Atlantic and beyond could be one-third weaker by 2040, a new study has revealed.

The Dow climbed 426.16 points, or 0.97%, to settle at 44,296.51, marking its highest close ever and extending its winning streak to three sessions. Meanwhile, the S&P 500 edged up 0.35% to 5,969.34, ...