Dow jumps nearly 650 points, erasing last week’s losses as investors shake off omicron worries

Stocks rallied to start to the week Monday, with the Dow erasing its losses from the previous week, as investors shook off fears around the emerging threat of the omicron variant of Covid-19.

The Dow Jones Industrial Average jumped, while the Nasdaq Composite lagged, though it was still in positive territory. Here’s what was influencing the markets to start the week:

Shares linked to the economic reopening gained in Monday trading, including energy, industrials and airlines.

Investors sold tech stocks with relatively high valuations. Those shares dragged the market down...