Stocks closed mixed Monday, with Wall Street exhausted from last week’s swoon and still nervous about the effect of bank losses and energy costs on the economy.

A pullback in crude oil prices provided only limited relief to investors, who largely stuck to the stocks of large companies. Blue chips are regarded as safer assets during times of economic uncertainty.

“It’s hard for anyone to jump in whole hog after Friday,” said Thomas J. Lee, equities analyst at JPMorgan. Soaring energy prices, as well as a huge jump in the unemployment rate, sent the Dow Jones industrial average plunging nearly 400 points on Friday.