Apple and Trump have gone on to greater things. GE? It's on the verge of a staggering milestone: a half-trillion dollars in market value wiped out since that all-time high 18 years ago. On Monday the company made the surprise announcement that it was replacing Chief Executive Officer John Flannery, who has been unable to stem the slide in the company's shares after just more than a year in the job.

The iconic American corporation is now worth just under $100 billion, its stock at around $11 at Friday's close, and investors are signaling they don't expect things to get better. While the stock surged Monday after the announcement of the change at the top, the shares -- and the company -- have a massive hole to dig out from.

The collapse -- an 81 percent drop from the peak -- is all the more startling as it comes amid record-setting market gains. Apple Inc. recently became the first U.S.-based company to top $1 trillion in market value, followed shortly thereafter by Amazon.com Inc.