The only constant is change... and that's an opportunity.

-- The big macro: Vaccines, riots and 250,000 job vacancies

-- Is an 18.9% household savings ratio the coiled spring the economy needs?

-- Speaking of savings, will bank war-chests be used for massive buybacks?

-- On the other hand, US companies are getting in on the capital raising act… but why?

-- Coal companies invest in batteries, as grid scale solar comes to industrial rooftops

-- Could Afterpay see the end of credit cards as we know them?

-- And we dip into the Fool mailbag!

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