Shares of Nvidia (NASDAQ: NVDA) are falling on Monday. The company's stock lost 4.5% as of noon ET, but was down as much as 5.3% earlier in the day. The drop comes as the S&P 500 (SNPINDEX: ^GSPC) slipped 0.

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.

With shares down 10% year to date, Nvidia's (NASDAQ: NVDA) rocket ship rally has hit a roadblock, even as its chip business continues to break records. Fourth-quarter earnings were yet another slam-dunk success -- but instead of celebrating,