A toy designed to help children learn the alphabet is swearing like a sailor instead. A Kissimmee, Florida grandfather discovered the problem in the Leapfrog Alphabet Pal Caterpillar.

To move above Amazon, Nvidia has to add $57.02 billion in market cap, and for it to go past Alphabet, it needs to augment its market cap by about $80.63 billion. The calculations assume the shares ...