India, March 11 -- U.S. stocks remain mostly weak Tuesday afternoon despite coming off earlier lows amid volatility as worries about global growth and fears of a potential recession in U.S. weigh on sentiment.

Stocks tumbled mid-session as trade war concerns have escalated with the U.S. and Canada slapping tariffs on each other's goods.

U.S. President Donald Trump announced new tariffs on Canadian steel and aluminum imports, saying that the 50 percent tariff is in retaliation for Ontario imposing a 25 percent surcharge on electricity exported to U.S. states. Trump also threatened to impose higher tariffs on Canadian car imports.

The major averages all declined sharply earlier in the session. The Nasdaq, however, has recovered pretty well...