Equity markets are way down today and it's no surprise. After all Commerce Secretary John Bryson announced his official resignation and everyone knows that what's bad for the Department of Commerce is bad for commerce.
Deputy Secretary Rebecca Blank will continue on as Acting Secretary of Commerce, her second stint as the Acting Secretary. For more on Blank, see this. You might also be interested in the time the Obama administration proposed eliminating the Commerce Department and nobody noticed. This also means that the celebrated Commerce Cabinet Crisis series of blog posts profiling America's past Secretaries of Commerce will continue. The last one in the series of was Alexander Trowbridge.