The U.S. stock market extended its post-election rally in early trading Thursday, with major indexes hitting fresh all-time highs, as investors await a Federal Reserve decision on interest rates.

Find out what a shutdown point is and what financial metric determines whether a business has reached its shutdown point, including multi-product firms.

Kyle Torpey has been writing about Bitcoin since 2013. His work has been featured in Forbes, Fortune, Bitcoin Magazine, Wired UK, and many other media outlets. He has also attracted more than 50,000 ...