Semiconductor stocks fell sharply on Monday amid worries that companies in China are using workarounds to get the latest offerings from Nvidia (NASDAQ:NVDA) and President Trump's announcement that tariffs will go into effect tomorrow on Canada and Mexico.

Nvidia faces continued concerns about potential restrictions on exports of its AI hardware amid reports that advanced chips are reaching China despite U.S. sanctions.

Nvidia (NVDA) shares are taking another hit today as last week’s losses spill over. This is due to concerns about artificial intelligence

Why Nvidia’s longer-term future return is not worth the risk — even if it continues to be a phenomenally profitable company. Nvidia Corp.’s market performance over the past six months is a good illustration of the difference between a good company and a good stock.

Nvidia (NASDAQ: NVDA) investors have grown used to positive surprises. The top artificial intelligence (AI) chip designer has surpassed analysts' earnings estimates and delivered double- or triple-digit growth quarter after quarter in recent times.