On a graph, an inflection point usually appears as a sudden change ... Barnes & Noble and clothing retailer JCPenney would find it challenging to keep up with online commerce.

or a black swan event can help you take advantage of them and find the next inflection point. Jeremy Bowman has positions in Nvidia. The Motley Fool has positions in and recommends Nvidia.

In calculus, the inflection point is where a graph's concavity changes from either up to down or down to up. This change may be slow or dramatic but it is regarded as the point where the slope ...