S&P 500 eclipses 6,000 and Dow surpasses 44,000. Here’s why stocks could keep climbing. The price of bitcoin is falling after failing to breach a new milestone. The crypto currency early Tuesday came within five bucks of touching $90,000 for the first time, but has faltered to trade down nearly 1% at just above $86,000.

A White House more friendly to big tie-ups has helped Wall Street speculate about a merger between insurers Cigna Group and Humana, for example. It’s been so feverish that Cigna