Wall Street's main indexes rose on Monday, with most heavyweight technology stocks rebounding after a steep fall last week, while steelmakers surged after U.S. President Donald Trump said he would impose additional tariffs on steel and aluminum imports.

"If it escalates into bilateral tariffs, we estimate an 8% hit to EPS assuming unitary elasticity," Bank of America analysts said.

Asian shares were trading mixed on Monday, as investors found bargains despite worries about U.S. President Donald Trump’s various tariffs.